Citizen Science 2017 – workshops day and opening panel

The Citizen Science Association conference is held at the River Center in St Paul, Minnesota on 17th to 20th May. This post and the following ones are notes that were taken during the meeting in the sessions that I’ve attended. Wednesday was dedicated to workshops, and I joined the Citizen Science at College level workshop. Organised by Thomas … Continue reading Citizen Science 2017 – workshops day and opening panel

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Call for Papers in a special issue of Remote Sensing in Ecology and Conservation on citizen science

Remote Sensing in Ecology and Conservation is a new open access journal, addressing the interdisciplinary field that links different aspects of remote sensing (the use of different imaging and sensing technologies) and the field of ecology and conservation. It is publishing its papers in Open Access, so the papers are free to download and share. … Continue reading Call for Papers in a special issue of Remote Sensing in Ecology and Conservation on citizen science

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Paper: GeoKey – open infrastructure for community mapping and science

The special issue of the Human Computation Journal (see the details of the editorial here), summarises the result from the EU FP7 “Citizen Cyberlab” project. One of the outcomes of the project is the development of the GeoKey platform for participatory mapping. Therefore, a paper that was written with Oliver Roick and Claire Ellul explains … Continue reading Paper: GeoKey – open infrastructure for community mapping and science

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Into the night – training day on citizen science slides

Last December, the Natural Environment Research Council (NERC) awarded funding to UCL Extreme Citizen Science group and Earthwatch as part of their investment in public engagement. The projects are all short – they start from January to March and included public engagement and training to early career researchers. “Into the Night” highlights the importance of light … Continue reading Into the night – training day on citizen science slides

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Public Participation GIS and Participatory GIS in the Era of GeoWeb – editorial for a special issue

As part of the AAG 2015 conference, Bandana Kar, Rina Ghose, Renee Sieber and I organised a set of sessions on Public Participation GIS – you can read the summary here. After the conference, we’ve organised a special issue of the Cartographic Journal (thanks to Alex Kent, the journal editor) dedicated to current perspectives of public participation … Continue reading Public Participation GIS and Participatory GIS in the Era of GeoWeb – editorial for a special issue

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A Shared Perspective for PGIS and VGI – new paper

Part of the special issue on Public Participation GIS that was published in The Cartographic Journal, was a paper that was led by Jeroen Verplanke (ITC). This paper goes back to the workshop on participatory GIS in 2013, that was the leaving event for Dr Mike McCall in ITC, after which he continue to work in UNAM, Mexico. … Continue reading A Shared Perspective for PGIS and VGI – new paper

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Authoritative and VGI in a Developing Country: A Comparative Case Study of Road Datasets in Nairobi

The motivation behind the paper was that while there are numerous studies comparing VGI to authoritative data in the developed world, there are very few that do so in developing world. In order to address this issue in the paper we compare the quality of authoritative road data (i.e. from the Regional Center for Mapping of Resources for Development – RCMRD) and non-authoritative crowdsourced road data (i.e. from OpenStreetMap (OSM) and Google’s Map Maker) in conjunction with population data in and around Nairobi, Kenya.

Results from our analysis show variability in coverage between all these datasets. RCMRD provided the most complete, albeit less current, coverage when taking into account the entire study area, while OSM and Map Maker showed a degradation of coverage as one moves from central Nairobi towards more rural areas. Further information including the abstract to our paper, some figures and full reference is given below.

Abstract:

With volunteered geographic information (VGI) platforms such as OpenStreetMap (OSM) becoming increasingly popular, we are faced with the challenge of assessing the quality of their content, in order to better understand its place relative to the authoritative content of more traditional sources. Until now, studies have focused primarily on developed countries, showing that VGI content can match or even surpass the quality of authoritative sources, with very few studies in developing countries. In this paper we compare the quality of authoritative (data from the Regional Center for Mapping of Resources for Development – RCMRD) and non-authoritative (data from OSM and Google’s Map Maker) road data in conjunction with population data in and around Nairobi, Kenya. Results show variability in coverage between all these datasets. RCMRD provided the most complete, albeit less current, coverage when taking into account the entire study area, while OSM and Map Maker showed a degradation of coverage as one moves from central Nairobi towards rural areas. Furthermore, OSM had higher content density in large slums, surpassing the authoritative datasets at these locations, while Map Maker showed better coverage in rural housing areas. These results suggest a greater need for a more inclusive approach using VGI to supplement gaps in authoritative data in developing nations.

Keywords: Volunteered Geographic Information; Crowdsourcing; Road Networks; Population Data; Kenya  
Road Coverage per km2
Pairwise difference in road coverage. Clockwise from top left: i) RCMRD 2011 versus Map Maker 2014; ii) RCMRD 2011 versus OSM 2011; iii) RCMRD 2011 versus OSM 2014; iv) OSM 2014 versus Map Maker 2014 (Red cells: first layer has higher coverage; Green cells: second layer has higher coverage).

Full Reference:

Mahabir, R., Stefanidis, A., Croitoru, A., Crooks, A.T. and Agouris, P. (2017), “Authoritative and Volunteered Geographical Information in a Developing Country: A Comparative Case Study of Road Datasets in Nairobi, Kenya”, ISPRS International Journal of Geo-Information, 6(1): 24, doi:10.3390/ijgi6010024.

As always any thoughts or comments about this work are welcome.

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Authoritative and VGI in a Developing Country: A Comparative Case Study of Road Datasets in Nairobi

The motivation behind the paper was that while there are numerous studies comparing VGI to authoritative data in the developed world, there are very few that do so in developing world. In order to address this issue in the paper we compare the quality of authoritative road data (i.e. from the Regional Center for Mapping of Resources for Development – RCMRD) and non-authoritative crowdsourced road data (i.e. from OpenStreetMap (OSM) and Google’s Map Maker) in conjunction with population data in and around Nairobi, Kenya.

Results from our analysis show variability in coverage between all these datasets. RCMRD provided the most complete, albeit less current, coverage when taking into account the entire study area, while OSM and Map Maker showed a degradation of coverage as one moves from central Nairobi towards more rural areas. Further information including the abstract to our paper, some figures and full reference is given below.

Abstract:

With volunteered geographic information (VGI) platforms such as OpenStreetMap (OSM) becoming increasingly popular, we are faced with the challenge of assessing the quality of their content, in order to better understand its place relative to the authoritative content of more traditional sources. Until now, studies have focused primarily on developed countries, showing that VGI content can match or even surpass the quality of authoritative sources, with very few studies in developing countries. In this paper we compare the quality of authoritative (data from the Regional Center for Mapping of Resources for Development – RCMRD) and non-authoritative (data from OSM and Google’s Map Maker) road data in conjunction with population data in and around Nairobi, Kenya. Results show variability in coverage between all these datasets. RCMRD provided the most complete, albeit less current, coverage when taking into account the entire study area, while OSM and Map Maker showed a degradation of coverage as one moves from central Nairobi towards rural areas. Furthermore, OSM had higher content density in large slums, surpassing the authoritative datasets at these locations, while Map Maker showed better coverage in rural housing areas. These results suggest a greater need for a more inclusive approach using VGI to supplement gaps in authoritative data in developing nations.

Keywords: Volunteered Geographic Information; Crowdsourcing; Road Networks; Population Data; Kenya  
Road Coverage per km2
Pairwise difference in road coverage. Clockwise from top left: i) RCMRD 2011 versus Map Maker 2014; ii) RCMRD 2011 versus OSM 2011; iii) RCMRD 2011 versus OSM 2014; iv) OSM 2014 versus Map Maker 2014 (Red cells: first layer has higher coverage; Green cells: second layer has higher coverage).

Full Reference:

Mahabir, R., Stefanidis, A., Croitoru, A., Crooks, A.T. and Agouris, P. (2017), “Authoritative and Volunteered Geographical Information in a Developing Country: A Comparative Case Study of Road Datasets in Nairobi, Kenya”, ISPRS International Journal of Geo-Information, 6(1): 24, doi:10.3390/ijgi6010024.

As always any thoughts or comments about this work are welcome.

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The Rightful Place of Science: Citizen Science

‘The Rightful Place of Science: Citizen Science’ is a fairly slim and small format book. Darlene Cavalier and Eric B. Kennedy edited this short collection of papers that came out earlier in 2016. The book is part of a series, from the Consortium for Science, Policy, and Outcomes (CSPO) at Arizona State University. The series aims are … Continue reading The Rightful Place of Science: Citizen Science

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Crowdsourcing the Future?

About a month ago, on 7th December 2016, DR Kingsley Purdam (Manchester) organised a one day workshop on citizen science, and in particular on citizen science from a social science methodological perspective. The day organised with the support of the National Centre for Research Methods (NCRM). The purpose of the workshop/conference was to explore the … Continue reading Crowdsourcing the Future?

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The Potential of Volunteered Geographic Information (VGI) in Future Transport Systems

An aspect of collaborative projects is that they start slowly, and as they become effective and productive, they reached their end! The COST Energic (European Network for Research into Geographic Information Crowdsourcing) led to many useful activities, with some of them leading to academic papers. From COST Energic, we’ve got the European Handbook on Crowdsourced Geographic … Continue reading The Potential of Volunteered Geographic Information (VGI) in Future Transport Systems

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UCL Synergies podcast – Congo Citizen Science

The “UCL Synergies podcasts” is series of interviews with researchers who are working on a shared problem from two disciplinary perspective. It is part of the activities to demonstrate how UCL addresses the grand challenges. The series itself is an excellent  demonstration of the issues that come up in interdisciplinary research and you can find … Continue reading UCL Synergies podcast – Congo Citizen Science

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Has GIScience Lost its Interdisciplinary Mojo?

The GIScience conference is being held every two years since 2000, and it is one of the main conferences in the field of Geographic Information Science (GIScience). It is a special honour to be invited to give a keynote talk, and so I was (naturally) very pleased to get an invitation to deliver such a talk … Continue reading Has GIScience Lost its Interdisciplinary Mojo?

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The study of slums as social and physical constructs: challenges and emerging research opportunities

Conceptual model for integrating social
and physical constructs to monitor,
analyze and model slums.

Continuing our research on slums, we have just had a paper published in the journal Regional Studies, Regional Science entitled “The Study of Slums as Social and Physical Constructs: Challenges and Emerging Research Opportunities“. In this open access publication we review past lines of research with respect to studying slums which often focus on one of three constructs: (1) exploring the socio-economic and policy issues; (2) exploring the physical characteristics; and, lastly, (3) those modelling slums. We argue that while such lines of inquiry have proved invaluable with respect to studying slums, there is a need for  a  more  holistic  approach  for  studying  slums  to truly understand  them at the local, national and regional scales. Below you can read the abstract of our paper:

“Over 1 billion people currently live in slums, with the number of slum dwellers only expected to grow in the coming decades. The vast majority of slums are located in and around urban centres in the less economically developed countries, which are also experiencing greater rates of urbanization compared with more developed countries. This rapid rate of urbanization is cause for significant concern given that many of these countries often lack the ability to provide the infrastructure (e.g., roads and affordable housing) and basic services (e.g., water and sanitation) to provide adequately for the increasing influx of people into cities. While research on slums has been ongoing, such work has mainly focused on one of three constructs: exploring the socio-economic and policy issues; exploring the physical characteristics; and, lastly, those modelling slums. This paper reviews these lines of research and argues that while each is valuable, there is a need for a more holistic approach for studying slums to truly understand them. By synthesizing the social and physical constructs, this paper provides a more holistic synthesis of the problem, which can potentially lead to a deeper understanding and, consequently, better approaches for tackling the challenge of slums at the local, national and regional scales.”

Keywords: Slums; informal settlements; socio-economic; remote sensing; crowdsourced information; modelling.

Framework for studying and understanding slums.

We hope you enjoy this paper and we wound be interested in receiving any feedback.
Full Reference:

Mahabir, R., Crooks, A.T., Croitoru, A. and Agouris, P. (2016), “The Study of Slums as Social and Physical Constructs: Challenges and Emerging Research Opportunities”, Regional Studies, Regional Science, 3(1): 737-757. (pdf)

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The study of slums as social and physical constructs: challenges and emerging research opportunities

Conceptual model for integrating social
and physical constructs to monitor,
analyze and model slums.

Continuing our research on slums, we have just had a paper published in the journal Regional Studies, Regional Science entitled “The Study of Slums as Social and Physical Constructs: Challenges and Emerging Research Opportunities“. In this open access publication we review past lines of research with respect to studying slums which often focus on one of three constructs: (1) exploring the socio-economic and policy issues; (2) exploring the physical characteristics; and, lastly, (3) those modelling slums. We argue that while such lines of inquiry have proved invaluable with respect to studying slums, there is a need for  a  more  holistic  approach  for  studying  slums  to truly understand  them at the local, national and regional scales. Below you can read the abstract of our paper:

“Over 1 billion people currently live in slums, with the number of slum dwellers only expected to grow in the coming decades. The vast majority of slums are located in and around urban centres in the less economically developed countries, which are also experiencing greater rates of urbanization compared with more developed countries. This rapid rate of urbanization is cause for significant concern given that many of these countries often lack the ability to provide the infrastructure (e.g., roads and affordable housing) and basic services (e.g., water and sanitation) to provide adequately for the increasing influx of people into cities. While research on slums has been ongoing, such work has mainly focused on one of three constructs: exploring the socio-economic and policy issues; exploring the physical characteristics; and, lastly, those modelling slums. This paper reviews these lines of research and argues that while each is valuable, there is a need for a more holistic approach for studying slums to truly understand them. By synthesizing the social and physical constructs, this paper provides a more holistic synthesis of the problem, which can potentially lead to a deeper understanding and, consequently, better approaches for tackling the challenge of slums at the local, national and regional scales.”

Keywords: Slums; informal settlements; socio-economic; remote sensing; crowdsourced information; modelling.

Framework for studying and understanding slums.

We hope you enjoy this paper and we wound be interested in receiving any feedback.
Full Reference:

Mahabir, R., Crooks, A.T., Croitoru, A. and Agouris, P. (2016), “The Study of Slums as Social and Physical Constructs: Challenges and Emerging Research Opportunities”, Regional Studies, Regional Science, 3(1): 737-757. (pdf)

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Leveraging the power of place in citizen science for effective conservation decision making – new paper

During the Citizen Science conference in 2015, a group of us, under the enthusiastic encouragement of John Gallo started talking about a paper that will discuss the power of place in citizen science. John provides a very detailed account about the way that a discussion and inspiration during the conference led to the development of … Continue reading Leveraging the power of place in citizen science for effective conservation decision making – new paper

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Patterns of contribution to citizen science biodiversity projects increase understanding of volunteers’ recording behaviour

One of the facts about academic funding and outputs (that is, academic publications), is that there isn’t a simple relationship between the amount of funding and the number, size, or quality of outputs. One of the things that I have noticed over the years is that a fairly limited amount (about £4000-£10,000) are disproportionately effective. … Continue reading Patterns of contribution to citizen science biodiversity projects increase understanding of volunteers’ recording behaviour

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Published: Why is Participation Inequality Important?

I’ve mentioned the European Handbook for Crowdsourced Geographic Information in the last post, and explained how it came about. My contribution to the book is a chapter titled ‘Why is Participation Inequality Important?‘. The issue of participation inequality, also known as the 90:9:1 rule, or skewed contribution, has captured my interest for a while now. … Continue reading Published: Why is Participation Inequality Important?

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New book: European Handbook of Crowdsourced Geographic Information

COST ENERGIC is a network of researchers across Europe (and beyond) that are interested in research crowdsourced geographic information, also known as Volunteered Geographic Information (VGI). The acronym stands for ‘Co-Operation in Science & Technology’ (COST) through ‘European Network Researching Geographic Information Crowdsourcing’ (ENREGIC). I have written about this programme before, through events such as twitter … Continue reading New book: European Handbook of Crowdsourced Geographic Information

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Opportunistic Citizen Science in central California

As I’ve noted in the earlier post, I’ve travelled through central California in August, from San Francisco, to Los Angeles. Reading ‘Citizen Scientist: Searching for Heroes and Hope in an Age of Extinction‘, made me think about citizen science, but this was my holiday – and for the past 4 years, as I finish setting the email away … Continue reading Opportunistic Citizen Science in central California

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New paper: Usability and interaction dimensions of participatory noise and ecological monitoring

The EveryAware book provided an opportunity to communicate the results of a research that Dr Charlene Jennett led, together with two Masters students: Joanne (Jo) Summerfield and Eleonora (Nora) Cognetti, with me as an additional advisor. The research was linked to the EveryAware, since Nora explored the user experience of WideNoise, the citizen science noise monitoring … Continue reading New paper: Usability and interaction dimensions of participatory noise and ecological monitoring

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New Paper: The Three Eras of Environ-mental Information: the Roles of Experts and the Public

Since the first Eye on Earth conference in 2011, I started thinking that we’re moving to a new era in terms of relationships between experts and the public in terms of access to environmental information and it’s production. I also gave a talk about this issue in the Wilson Center in 2014. The three eras … Continue reading New Paper: The Three Eras of Environ-mental Information: the Roles of Experts and the Public

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New paper: Using crowdsourced imagery to detect cultural ecosystem services: a case study in South Wales, UK

Gianfranco Gliozzo, who is completing his Engineering Doctorate at the Extreme Citizen Science group, written up his first case study and published it in ‘Ecology and Society’.  Cited as Gliozzo, G., N. Pettorelli, and M. Haklay. 2016. Using crowdsourced imagery to detect cultural ecosystem services: a case study in South Wales, UK. Ecology and Society … Continue reading New paper: Using crowdsourced imagery to detect cultural ecosystem services: a case study in South Wales, UK

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Esri User Conference 2016 – plenary day

The main Esri User conference starts with a plenary day, where all the participants (16,000 of them) join together for a set of presentation from 8:30 to 3:30 (with some breaks, of course). Below you’ll find some notes that I took during the day: The theme of the keynote was GIS – Enabling a Smarter … Continue reading Esri User Conference 2016 – plenary day

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Esri Education User Conference talk: Citizen Science & Geographical Technologies: creativity, learning, and engagement

The slides below are from my keynote talk at the Esri Education User Conference 2016. The conference focused on creativity and its relevant to education and the utilisation of GIS (especially Esri software) at different levels of education. My talk explored the area of citizen science and extreme citizen science and the way geographical technologies … Continue reading Esri Education User Conference talk: Citizen Science & Geographical Technologies: creativity, learning, and engagement

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New paper: Digital engagement methods for earthquake and fire preparedness

At the beginning of the Challenging Risk project, the project team considered that before we go out and develop participatory tools to engage communities in earthquake and fire preparedness, we should check what is available. To achieve that, we have commissioned Enrica Verrucci to help us with the review, and later on other members of the … Continue reading New paper: Digital engagement methods for earthquake and fire preparedness

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A review of volunteered geographic information quality assessment methods

One of the joys of academic life is the opportunity to participate in summer schools – you get a group of researchers, from PhD students to experienced professors, to a nice place in the Italian countryside, and for a week the group focuses on a topic – discussing, demonstrating and trying it out. The Vespucci … Continue reading A review of volunteered geographic information quality assessment methods

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The Participatory City & Participatory Sensing – new paper

The Participatory City is a new book, edited by Yasminah Beebeejaun , which came out in March and will be launched on the 1st June. The book gather 19 chapters that explore the concept of participation in cities of all shapes and sizes. As Yasminah notes, concern about participation has started in the 1960s and never gone … Continue reading The Participatory City & Participatory Sensing – new paper

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A Semester with Urban Analytics

This past semester I gave a new class at GMU entitled “Urban Analytics”. In a nutshell the class was about introducing students to a broad interdisciplinary field that focuses on the use of data to study cities. More specifcally the emphasis of the cla…

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A Semester with Urban Analytics

This past semester I gave a new class at GMU entitled “Urban Analytics”. In a nutshell the class was about introducing students to a broad interdisciplinary field that focuses on the use of data to study cities. More specifcally the emphasis of the cla…

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Algorithmic Governance Workshop (NUI Galway)

The workshop ‘Algorithmic Governance’ was organised as an intensive one day discussion and research needs development. As the organisers Dr John Danaher and Dr Rónán Kennedy identified: ‘The past decade has seen an explosion in big data analytics and the use  of algorithm-based systems to assist, supplement, or replace human decision-making. This is true in private industry and … Continue reading Algorithmic Governance Workshop (NUI Galway)

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New PhD Opportunity: Human Computer Interaction and Spatial Data Quality for Online Civic Engagement

We have a new scholarship opening at the Extreme Citizen Science group for a PhD student who will research in Human Computer Interaction and Spatial Data Quality for Online Civic Engagement. The studentship is linked and contextualised by the European Union H2020 funded project, WeGovNow! . This project will focus on the use of digital technologies for effectively … Continue reading New PhD Opportunity: Human Computer Interaction and Spatial Data Quality for Online Civic Engagement

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Living Maps Review launched today

Living Maps review is a new online journal about maps, map making and thinking of mapping (I’m on the editorial board of the journal). As the launch email describes: “map making as a democratic medium for visual artists, writers, social  researchers and community activists. The journal has its roots in the highly successful series of … Continue reading Living Maps Review launched today

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Extreme Citizen Science in Esri ArcNews

The winter edition of Esri ArcNews (which according to Mike Gould of Esri, is printed in as many copies as Forbes) includes an article on the activities of the Extreme Citizen Science group in supporting indigenous groups in mapping. The article highlights the Geographical Information Systems (GIS) aspects of the work, and mentioning many members of … Continue reading Extreme Citizen Science in Esri ArcNews

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Citizen Cyberlab – notes from final review (26-27 January, Geneva)

Every project ends, eventually. The Citizen Cyberlab project was funded through the seventh framework programme of the European Union (or EU FP7 in short), and run from September 2012 to November 2015. Today marks the final review of the project in with all the project’s partners presenting the work that they’ve done during the project. The project had … Continue reading Citizen Cyberlab – notes from final review (26-27 January, Geneva)

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New publication: Citizen Science and the Nexus (water, energy, food, population)

Under the leadership of Roger Fradera of the Centre for Environmental Policy at Imperial College London, I was involved as a co-author on a ‘thinkpiece’ about citizen science and the nexus. If you haven’t come across the term, ‘nexus’ is the linkage of food, energy, water and the environment as a major challenge for the future. The paper is … Continue reading New publication: Citizen Science and the Nexus (water, energy, food, population)

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Standards and Recommendations for Citizen Science (University of Zurich)

Following a short project that was headed by Daniel Wyler of the University of Zürich in collaboration with the League of European Research Universities, two draft documents aimed at universities and research funders were developed. The documents can be found here, and there is scope to comments and suggest changes for the next month on … Continue reading Standards and Recommendations for Citizen Science (University of Zurich)

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UCL Institute for Global Prosperity Talk: Extreme Citizen Science – Current Developments

The slides below are from a talk that I gave today at UCL Institute for Global Prosperity The abstract for the talk is: With a growing emphasis on civil society-led change in diverse disciplines, from International Development to Town Planning, there is an increasing demand to understand how institutions might work with the public effectively … Continue reading UCL Institute for Global Prosperity Talk: Extreme Citizen Science – Current Developments

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