Climate and energy
Fukushima disaster causes fallout for nuclear industry worldwide
Nuclear is the safest form of power, says top UK scientist
UK slips down global green investment rankings
Smart meters predicted to save UK households £23 a year by 2020
Lord Lawson's 'misleading' climate claims challenged by scientific adviser
Wildlife
Adder abnormalities lead to UK's first genetic survey of snakes
India's tiger numbers increase for first time in a decade, says census
Serengeti highway threatens national park's wildebeest migration
Spring's here: skylarks overhead, moles in the garden, moths in the bathroom
Multimedia
Agricultural patterns from space – in pictures
Below the waste line: Rolling with London's bin men - video
Genetic survey of adders - in pictures
Earth Hour - in pictures
Green living
Nissan Leaf charges into UK car showrooms
Cycling England will soon be no more – but what can its successors achieve?
Neil Ansell: My life as a hermit
Why don't governments push for more hydrogen cars?
From the blogs
Get the most from your car with these top 12 'hypermiling' tips
British Summer Time lets us strengthen our relationship with nature
Caroline Lucas: George Osborne's budget is a betrayal of our environment
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