The emissions of a banned ozone-depleting gas have dropped rapidly following a previously unexpected spike.
Scientists believe a key nutrient transported by the wind is contributing to the growth of algal blooms on melting ice sheets.
The rate at which ice is disappearing across the planet is speeding up, according to new research.
A new study shows that strong and rapid action to cut emissions of carbon dioxide and other greenhouse gases will help to slow down the rate of global warming over the next 20 years.
Smoke from fire will impact those with respiratory conditions, according to a University of Leeds researcher.