Dating stalagmites and measuring oxygen isotope levels allows researchers a clearer picture of past climate.
Climate change is 'long-term risk to economic and national security' says energy and climate change secretary.
Earlier arrival of spring has potential to disrupt animal and plant species, scientists warn.
Stunning photos raise awareness of issues like sustainable development, pollution and human rights.
Lionfish posing serious risk to ecology of Mediterranean, with widening of Suez Canal exacerbating problem.
Scientists discover 2,700 cubic km usable groundwater beneath drought-stricken California
Many of those who have been dancing to LCD Soundsystem and Chvrches are heading home – or at least to the nearest shower.
China's capital of 20 million people is the 5th most water-stressed city in the world.
The parrot was caught on video flying through trees in the northeastern state of Bahia, Brazil.
A convoy of vehicles made a 5,800km-long protest in areas across the country
Deadly tornado and hailstorm flattened houses near Yancheng city, a few hours' drive north of Shanghai.
Previous ice ages can inform us about how quickly vegetation evolves with climate change.
Mayor Horacio Rodríguez Larreta says the zoo will be converted into an ecological park when it reopens later this year.
Impulse took 71 hours to cross the Atlantic as part of the first ever fuel-less flight around the world.
We round up the best photos and videos of the flooding in London and the south-east.