Controversial plan aims to halt the decline of the animals whose population has dropped to just 3,000
US and China 'embrace' their responsibility to combat the global effects of climate change
Protesters including politicians and celebrities warn climate change is 'biggest threat humanity has faced'
Award-winning photos that 'take your breath away' will go on show at London Zoo
UN-backed report claims reducing emissions can generate better growth than a high-carbon model
A 'major environmental success story', but scientists warn urgent action is now required to tackle climate change
Discovery of unusual new species could mean scientists have to completely 'reshape the tree of life'
Researchers say we need to cut our red meat consumption down to two portions a week to save the planet
Stem cells taken from nose 'retained ability to produce mucus' after paralysis treatment failed
Scientists discover the ‘closest thing to human language’ displayed in nature
Chris Smith says anti-fracking campaigners’ environmental fears are ‘definitely exaggerated’
Scientists say common pesticides are damaging the soil, air and water
Deforestation and climate change drive extinction rates to 1,000 times their normal level
Researchers are puzzled by the aggressive – and unusual – behaviour of Australian mulga snake
BBC wildlife presenter questioned by police in Malta over his documentary on 'senseless slaughter' of birds
Government to commission world-leading research ship for Antarctic and Arctic scientific research
Catastrophic climate change can only be averted if we adopt nuclear, wind and solar power in a big way, says UN
People with heart and lung problems warned to take extra care as air pollution levels top the scale
British scientists crack formula to develop world's best long-term weather forecast model
UN panel publishes most comprehensive climate change study yet, but will it prove controversial?