Former Malaysian leader Najib Razak took the stand to defend his conduct in the 1MDB scandal Tuesday, as the first of several trials linked to the multi-billion-dollar fraud entered a crucial stage.
Loading the atmosphere with five million tonnes of CO2 every hour has pushed Earth dangerously close to a no-return threshold, beyond which lies an unlivable hothouse world, top climate scientists have warned.
In the tiny part of Antarctica where the snow melts in springtime, mosses, lichens and grasses grow alongside flies, mites and colonies of micro-organisms that have fed and reproduced for millions of years.
The cruise industry, long criticised for polluting the environment, is slowly trying to go greener by exploring new technologies, from hybrid solutions to high-tech sails.
The star of Pixar's blockbuster "Finding Nemo" may be about to vanish again -- this time for good -- as its peculiar mating habits put it at risk from climate change, scientists said on Tuesday.
Fires in the Amazon rainforest are likely to increase the rate of melting of Andean glaciers, potentially disrupting water supply for tens of millions of people, scientists said on Thursday.