States lead "legal resistance" to U.S. environmental, climate rollback - lawyers
“We are now in many ways ... more of a check on the excesses of this administration than Congress,” says New York attorney general
Water out of thin air? It can be done, say scientists
The technology could be "really great for remote areas where there's really limited infrastructure"
In generational shift, college Republicans poised to reform party on climate change
Many US Republican college students believe climate change is caused by humans and Americans have a responsibility to act on it
Permafrost bigger than Australia to melt if climate targets missed - scientists
Permafrost - soil that has been frozen for at least two years - is more sensitive and susceptible to global warming than previously thought
Pollution from international trade killed 700,000 in one year - scientists
The findings are the first time premature deaths globally are linked with international trade
As farmers pump more groundwater for crops, food prices risk surge
Countries such as Pakistan, Iran and India, which use the most groundwater to grow food, are already suffering from water scarcity
How you can help the environment with a piece of cardboard on your face
A new virtual reality app takes viewers on trips to the Amazon rainforest and Arctic Circle
Skin powered by the sun? Energy-saving prosthetic limbs get better feeling
Solar-powered sensors can increase sense and feeling in a limb, so the prosthetic can feel pressure, temperature and texture like natural skin
One in four children may face severe water shortages by 2040 - UNICEF
Some 500 million children already live in areas with limited water supplies.
Put the rainfall and air-conditioning back into trees, scientists say
Trees cool the earth's surface, and release chemicals that can lead to the formation of clouds