Air & Space Evidence

The World's First Space Detective Agency

We help clients use photographic, Earth observation and radar based imagery from satellites, drones and aircraft as evidence.

We help individuals, companies and governments with image sourcing and analysis, we advise on the use of satellite imagery to resolve disputes and legal issues and we provide expert witness testimony.

We work closely with governments on earth observation policy issues and tackling environmental problems. We're currently working on Waste from Space - detecting illegal landfill sites using satellite technology

Investigations - Property Intelligence - Research

Ray Harris is a founder and Director of Air & Space Evidence

RH photo 2011 - Version 2.jpg

He is an Emeritus Professor of Geography at University College of London (UCL). Prior to this he was the Executive Dean (20042008) and Vice-Dean (20032004) of the Faculty of Social and Historical Sciences, UCL. Between 1995 and 2008 he taught remote sensing, headed the Facultys Remote Sensing Unit (RSU) and served as Deputy Head of the Department of Geography.


Before joining UCL Ray worked as the Earth Observation Manager for Logica UK Ltd, responsible for consultancy, business development, bid management and project management in Earth observation (19901995) and as the Marketing Manager responsible for strategy development, business planning, financial planning, national and international marketing in the Space Systems, Environment and Civil Systems areas for Software Sciences Limited (19871990). He started his academic career as a Lecturer at the Geography University of Durham, where he was responsible for establishing a research group of twelve in remote sensing that led in turn to the university identifying to the University Grants Committee the subject of remote sensing as a major university strength. He holds a PhD in Geography from the University of Bristol.


During his career he has held numerous positions in academic and Earth observation related committees. He has been a member of the Advisory Committee of the Centre for Space Science and Technology Education in Asia and the Pacific (CSSTEAP); Vice Chairman of the British Association of Remote Sensing Companies; member of the BNSC Earth Observation Programme Board; Chair of the International Policy Advisory Committee (ISPRS); Chair of the International Council for Science (ICSU) Strategic Coordinating Committee on Information and Data; and was a nominated representative on both Global Monitoring for Environment and Security (GMES) and the Global Earth Observation System of Systems (GEOSS). He has worked extensively with the European Space Agency, the European Commission, NASA, NOAA, the Japanese space agency and other space organisations on the applications of Earth observation data and on the development of data policy.

He is the author or editor of five books on Earth observation, plus large numbers of journal articles, book chapters and reports.

Ray divides his time between his homes in Surrey, UK and Aquitaine, France. He enjoys cycling, especially in France, and playing the guitar. Ray has two daughters, one is a lawyer and a captain in the British army and one who is an economist turned banker.


Ray Purdy is a founder and Director of Air & Space Evidence

He holds an LLB Hons Law Degree and LLM Masters Degree in law. He is a Visiting Senior Research Fellow at the Faculty of Laws, University College London (UCL). Before that he was a UCL Senior Research Fellow (2000-2014) and Deputy Director of UCL’s Centre for Law and the Environment (2005 -2011). He started his career as a specialist researcher at Imperial College (1996-2003) and the University of Oxford (1995-1996).

Much of his research work has been focused on the use of Earth observation as evidence and its capacity to monitor and enforce laws. Ray has worked on projects in this field for the European Commission (APERTURE project), UK Space Agency (Applications of Earth Observation to the Legal Sector project), Arts and Humanities Research Council (Satellite Monitoring as a Legal Compliance Tool project), Economic and Social Research Council (Smart Enforcement in Environmental Legal Systems: A Socio-Legal Analysis of Regulatory Satellite Monitoring in Australia project), and European Space Agency (SAT-AIS project). He has also been the key specialist lawyer on a number of high-level European technology projects looking at the implications of new technologies such as - Beaming (augmented reality and presence technologies) and radio frequency identification devices.

During his career he has had his research directly reported within the full United Nations Committee on the Peaceful Uses of Outer Space (COPOUS) General Assembly and Subcommittees. He has also held numerous positions in academic and Earth observation related committees including: member of the International Law Association’s Space Law Committee; associate of the International Institute of Space Law; member of the European Centre for Space Law; member of the Global Review Panel for Europol and the International Cyber Security Protection Alliance’s Project 2020; and a member of Chatham House. He has chaired sessions on evidence from imagery at conferences organised by The International Network for Environmental Compliance and Enforcement, International Astronautical Congress, and the European Space Policy Institute.

He wrote the section on Earth observation monitoring for the UN’s Manual on Compliance with and Enforcement of Multilateral Environmental Agreements. He has published widely in this area, most recently, he co-edited a book entitled Evidence from Earth Observation Satellites. Emerging Legal Issues (Martinus Nijhoff/Brill, Leiden, 2013).

Ray lives in the Cotswolds with his family (Rache, Elsa and Kitty) and their dog (Jaska). His favourite way of spending his free time is exploring the UK with the family in their Mazda Bongo Camper Van, or travelling to new places across the world.


 Peter Hjerp is a Senior Associate of Air & Space Evidence


He worked for over fifteen years for the Institute for European Environmental Policy (IEEP) as a Senior Policy Analyst before becoming an IEEP Associate in the autumn of 2014.  Before working for IEEP he worked as a researcher for the Helsinki University of Technology and the Technical Research Centre of Finland. He has Master degrees from Helsinki University of Technology (in environmental chemistry) and from The London School of Economics and Political Science (in environmental assessment and evaluation). Peter is fluent in Swedish, Finnish and English with a good comprehension of Spanish as well as the other Nordic languages.

Peter has been working on a wide range of projects as part of environmental governance and environmental integration, and he has an interest in how satellite and drone technologies can be utilised in environmental planning, environmental assessment, and natural resource management decision making. He has contributed high-level input to the revision of environmental assessment procedures, the incorporation of the environment into EU funding instruments (including climate and biodiversity proofing) as well as contributed to guidance and handbooks on the benefits of ecosystem services (TEEB, SURF etc.). Many of these issues require long term planning but they also need a monitoring system that can provide up-to-date, relevant and reliable information to quickly address any changes that needs to be made to any estimation. Consequently Peter’s role is to capitalise on the potential that earth observation can have in providing data to address these issues. Peter has also been involved in several projects developing indicators, such as IN-STREAM (Integration of Mainstream Economic Indicators with Sustainable Development), which expertise will be useful in developing coherent environmental indicators for earth observation.    

Peter lives in the Cotswolds with his family.


Jon Carver is a Senior Associate of Air & Space Evidence.

He worked for 12 years within the UK government specialising in the interpretation of imagery from a wide selection of both air and space based imaging platforms. He has worked on diverse problem sets ranging from volcano monitoring to narcotics production.

Experienced in trial work aimed at developing new problem sets for sensors, he has also been responsible for bringing new remote sensing techniques into more mainstream use and against existing issues.

Jon is accustomed to both strategic and tactical concerns in the defence arena. With an understanding of many geo-political and security concerns, and a background in environmental science he is a versatile member of the team.


Air & Space Evidence can also utilise the services of its strategic network of global contacts.





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