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Growing love of computers and plasma TVs could soon account for nearly half our electricity bills

President Obama's energy secretary, Nobel prize-winner Steven Chu, arrives in Europe this week to discuss global warming. But his recent policy decisions on coal-fired power stations and hydrogen cars have angered many environmentalists

Low-carbon companies say government is 'sleepwalking to green tech disaster'

For a symbolic hour global landmarks from Sydney to London were in darkness to highlight concern over climate change

Plans to make Scotland 50% reliant on renewable energy sources are ahead of schedule, new figures released by the Scottish Parliament today suggest.

The arrest of 19 people accused of corruption highlights the dirty by-product of the country's booming economy in renewable fuel

The Telegraph is incensed over the energy secretary's partner working for a German firm bidding to build nuclear plants in the UK. But what do they expect her to do?

Big firms 'investing only £30 per customer a year'

Open letter to Ed Miliband, secretary of state for energy and climate change

Green companies are in retreat, with a wave of staff layoffs and production cuts that could have dire consequences for government efforts to fight climate change by quickly bringing low-carbon power projects on stream.

A year ago, I wrote to Gordon Brown asking him to place a moratorium on new coal-fired power plants in Britain. I have asked the same of Angela Merkel, Barack Obama, Kevin Rudd and other leaders. The reason is this - coal...

Coal is both a filthy and a plentiful source of energy. In environmental terms, it is a catastrophe. But in economic terms, especially in the developing world, it is irresistible. New coal-fired power stations are being booted...

Engineers on the Sleipner East platform in the North Sea can lay claim to a unique environmental honour. Each year for the past decade they have pumped a million tonnes of carbon dioxide into an old gas field below their...