New data reveals London has planted just 9,000 more trees than it has felled since 2010
New luminaires to go on sale today in Wi-Fi controlled "Hue" range
New 15-year contract will see India's Microqual adopt hydrogen fuel cells to power country's rapidly expanding mobile networks
New reports suggest energy efficiency measures could deliver significant savings by improving employee comfort
Decision comes after project partner SSE scales back investment in renewable energy
Richard Reed talks low carbon innovation and the 'lunacy' in ignoring tidal power
New co-operative aims to install £300,000 worth of solar arrays in and around village
SolarAid chairman Jeremy Leggett writes about the three days he spent with the SunnyMoney team in Kenya and Zambia
Chief executive says sustainable banking is no longer just "for hippies" as company reports record assets, lending and savings
Green goods market bucks recession in 2012 with 12 per cent growth