Mayor paints the one millionth square foot of New York roof space white to mark effort to slash energy bills
New York's innovative plan to slash building energy use by painting the city's roofs white reached a major milestone late last week when the mayor, Michael Bloomberg, coated the one millionth square foot...
Europe's biggest bank announces intention to halt financing for coal-fired power plants as part of low-carbon drive - but lists Bangladesh, Indonesia and Vietnam as exceptions
Canadian company EnviroLeach wants to make the process of "urban mining" less hazardous for humans and the environment
Launched this week, Daisy helps dissemble iPhones for reuse and recycling
No coal was used for power generation in the UK between 10.25pm on Monday and 5.10am yesterday, National Grid confirms