A drying climate and the arrival of people together finished off Australia's megafauna.
Environmental change can be a slow creep towards disaster for species. We studied how prehistoric humans coped to help make sense of the future using video game technology.
Imagine a world ravaged by the fallout from nuclear weapons and the runaway effects of climate change. Congratulations, you've just imagined the Plutocene, but let's hope it doesn't become a reality.
The climate secrets contained in an ancient tree that lived through abrupt global change reveal how Antarctica can trigger rapid warming in the north by dumping cold water into the Southern Ocean.