Catching a chill.
The opah fish circulates heated blood through its body like a bird or mammal, meaning it can outcompete its deep sea rivals.
Fuel banks may undermine the case for serious action.
Npower's proposal for fuel banks addresses the symptoms of fuel poverty but not its causes.
US Geological Survey
Decline of world's big veggies risks creating 'empty landscapes'.
Welcome to the Cantareira desert.
SEBASTIAO MOREIRA / EPA
Growth can be predicted and droughts can be planned for. So why did Brazil's largest water utility get caught out?
The Baikal seal is found nowhere else on Earth.
Plans to dam Lake Baikal's most important tributary could kick off an international dispute.
You can’t hide from global warming, Mr Wabbit.
Rabbits and hares will flee towards the poles as global warming changes the places they once called home.
These streets were made for driving.
The most common way to get around is also the most neglected.
These ‘cliffs’ can be the height of a skyscraper.
Torsten Blackwood / EPA
A massive glacier tongue sticking out off the edge of the continent has been snapping off every 70 years.
Christopher Columbus: discoverer of continents, definer of geological epochs.
Albert Bierstadt: The Landing Of Columbus (1892)
When Europeans first arrived in the Americas they didn't just make human history – they changed planet Earth forever.