
Sumatran tigers fall 17 per cent and have just two strongholds
5 December 2017
There are now only two viable populations of Sumatran tigers left in the wild, so if the cats are to be saved those areas have to be protected

5 December 2017
There are now only two viable populations of Sumatran tigers left in the wild, so if the cats are to be saved those areas have to be protected

21 November 2017
Last week the Keystone pipeline spilled 5,000 barrels of oil. This week Nebraska decided to allow the Keystone XL extension to be built right through the state

25 October 2017
The Pacific Ocean is likely to enter a La Niña state in the next few months, which could mean a more active Atlantic hurricane season next year

17 October 2017
Nearly a month after Hurricane Maria, many people on Puerto Rico are still without clean drinking water and have resorted to wells on a contaminated site

10 August 2017
Indo-Pacific sea snakes living in polluted waters near industrial areas have darker bodies – perhaps because pollutants bind better to their dark skin pigment

24 July 2017
An underwater robot captured images believed to be the first signs of melted nuclear reactor fuel that sank after the plant’s 2011 failure

19 July 2017
It's an entrepreneurial horse race in some of the poorest villages in Siberia, as "tuskers" hope to strike it rich by selling prehistoric ivory to Chinese buyers