Public smoking in China's capital, Beijing, is now banned after the introduction of a new law.
The Antarctic ozone hole would have been 40% bigger by now if ozone-depleting chemicals had not been banned in the 1980s, according to research.
The smallest and rarest marine dolphin in the world could be extinct within 15 years if protection is not stepped up, new research suggests.
A rare bird may become extinct in Syria because of the capture of Palmyra by Islamic State, experts say.
Children in the village of Marming play around on the ruins of their former school that was destroyed during the 25 April earthquake on 17 May.
The UK is among the worst countries in the EU for protecting its wildlife habitats, says an official report.
A strong El Nino is likely to increase prices of staple foods such as rice, coffee, sugar and cocoa, say scientists.
Campaigners fighting a second runway at Gatwick say they have not been given enough time to respond to a public consultation on air quality.
There is mounting concern about the scale of logging in Romania's remote forests
Even a few organic fields on a farm may improve biodiversity, the study found
Forfeiting our commons
The Lancet’s Series on Maternal and Child Undernutrition
President Obama's grand climate plan does not add up
Climate change can no longer be ignored
NGO demands withdrawal of Niyamgiri gram sabha notificatio