The first hard evidence has emerged that the shells of marine snails in the seas around Antarctica are being dissolved by ocean acidification.
In support of their views, climate change skeptics have long pointed to the fact that Antarctic sea ice - unlike that in the Arctic - is actually growing.
Scientists have been able to count the number of emperor penguins in Antarctica by using satellite mapping technology - and there's twice as many as previously thought, they say.
The Doomsday Clock - which represents how close the human race is to destruction - has been moved a minute closer to midnight, thanks to concerns over climate change and international tension.
A British engineering team will next week head off to Antarctica in an attempt to understand more about the evolution of life on Earth and other planets.