Elephants, giraffes, giant elands and chimpanzees are being decimated by poachers linked to violent militias in a lawless region of central Africa
Even though other countries are clamping down on illegal ivory, the unconstrained trade in Japan may offer loopholes for criminals to keep selling ivory – fuelling elephant poaching
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
Ring-tailed lemurs have experienced a precipitous decline over the last two decades and are now one of the 25 most endangered primates in the world
Mount Agung's last big eruption was in 1963, and a major blast could create an ash cloud that disrupts air travel for weeks, and temporarily cool the global climate as well
The first global “light census” shows that the area affected by artificial lighting is growing by 2.2 per cent every year, posing risks to wildlife and human health
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
While the US tried to promote “clean coal” at the COP23 Bonn climate meeting, other countries called for the dirty fossil fuel to be rapidly phased out
The magnitude 7.3 quake that struck Iran and Iraq on Monday has already killed 400 and injured thousands, and more tremors could be on the way
Many giant mammals in the Americas have died out but it has been hard to say whether humans or natural events were responsible. Now, in the Caribbean at least, we know