Presidents Barack Obama and Xi Jinping end summit with deal to cooperate on limiting the production and consumption of HFC gases

Report argues proposed £25bn scheme "has not demonstrated sufficient value as a low-carbon energy source to override regional and environmental concerns"

Formula 1 team's Applied Technologies arm partners with IO to use racing expertise to improve the energy efficiency of data centres

Climate Minister warns tariffs will cost jobs and threaten EU green energy targets in joint article with Swedish counterpart

Retailer records 29 per cent year-on-year increase in net benefit of pioneering green strategy and edges closer to 2015 goals

Peter Voser says companies must 'move and take some risks' if energy system is to be reformed

The EarthHack initiative backed by IKEA and Philips seeks to use Marblar's platform to crowdsource green uses for existing technologies

Anti-dumping levies lower than feared, but trade body warns 'any form of duties is not good news' for European solar industry

First four plants should be operational next year as company targets 40 facilities with combined capacity of 100MW by 2018

International Development Committee blames biofuels for pushing up food prices and causing volatility