Controversy around how to deal with the wreckage of the Fukishima power plant has major implications for the UK's nuclear plans, writes Andrew Warren
British Energy Efficiency Federation chair Andrew Warren sets out his vision for building a thriving market for domestic green homes upgrades
Andrew Warren ponders the carbon impact of flying thousands of government figures and negotiators to Glasgow in November
Andrew Warren explores the potential future for building Energy Performance Certificates (EPCs) as the UK shifts towards lower carbon home heating
The enormous expansion in China's coal power capacity means more regional vested interests against decarbonisation, writes Andrew Warren
If we had to have a worldwide closedown, at least it occurred during the tipping point year of 2020, argues Andrew Warren
The government must deliver on its promises to tackle the UK's woefully inefficient housing stock, argues Andrew Warren
New EU rules boosting repairability and energy efficiency of TVs, fridges and lighting products will cut consumer costs and emissions, argues Andrew Warren