Record-breaking weather in December has seen unseasonably warm water temperatures at the Hampstead Heath ponds.
Twin terror attacks in Paris book-ended a year dominated by the fight against Islamic State in Syria and the resulting exodus of refugees.
Greenpeace and WWF say project will endanger flora and fauna.
Sacha Dench is set to fly from Russia to Britain to chart the migratory behaviour of UK swans.
Video footage of some of the biggest volcanic eruptions of the year.
Lucy Nicholson photographed people living on the streets of LA. As they posed for portraits, they shared their stories.
Over a 100 forest fires spread across Asturias in northwest Spain over the weekend.
At least 91 people are missing after landslide buries business park in Shenzhen – China's fourth major disaster this year.
Mass coral bleaching on the Great Barrier Reef caused by El Nino will take place early in 2016.
The study did not examine the effects of vegetarian diets on the environment.
Just 20,000 polar bears remain today but how can we protect their survival?
Beijing's pollution index will exceed 500 micrograms per cubic metre, 20 times higher than safe levels.
The social circles of African elephants is being maintained, even though generations are disappearing.
Studies show that West Coast marine mammals are changing their environments and feeding habits
Next year is likely to beat 2014 and 2015 as the hottest years on the record globally.
President Obama thanked Indian Prime Minister for 'positive leadership' during UN Climate Summit.
DECC announces 65% cut on last day before Christmas recess.
Lakes are warming at a quicker rate than the atmosphere and the ocean.
Opposition parties claim government has done a U-turn by allowing fracking in national parks.
Westwood and husband Andreas Kronthaler strip off in protest video to end ecocide.
Sydney was struck by a rare tornado, bringing down walls, trees and power lines and ripping off roofs.
Storm bringing fastest winds ever recorded in New South Wales lashed Sydney on 16 December.
Research shows giant waves can occur in the deep ocean, without any prior warning or cause.
Arctic Report Card shows highest air temperatures and least amount of ice cover, since records began in 1979.
A Saharna dust cloud is expected to cover London and parts of southern and eastern England.
The first explosion took place before sunrise, followed by two blasts at 8.06am and 11.41am local time.
Typhoon locally known as Nona leaves trail of death and destruction as it reaches island of Mindoro.
Southern and eastern parts of England could see high levels of pollution this week.
The domoic acid toxin, produced by marine algae, causes sea lions to become disorientated and leads to shore strandings.
While we recognise our responsibility to our family's future, we're blasé about future of humanity.