Energy Futures: the Challenge Given climate change and concerns over energy security, key technological and strategic issues face us for a sustainable energy future. Dave Elliott looks at sustainable energy technologies, essentially the technological mitigation options, ranging from local domestic scale micro- gener-ation to macro continent-wide supergrids. Key issues are: What scales should we focus on - local, national, global? Which type of generation technologies should we emphasise? Electricity generation? Heat generation? How can we accelerate deployment of the mix of chosen technologies? Stephen Peake then asks will it be enough, or will we also need massive social and economic adaptation - including behavioural changes and more radical global political agreements or accommodations. The key issues are how long have we got, and can we adjust in time? David Elliott is Professor of Technology Policy specialising in sustainable energy technologies and renewable energy based systems. He is editor of Renew journal. Dr Stephen Peake is Senior Lecturer in Environmental Policy specialising in the social, cultural and technological dynamics of sustainable development, energy security and climate change diplomacy.

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