Experts say fishing methods are to blame, with one subspecies in New Zealand down to fewer than 100 mammals. Hector's dolphins are found only in New Zealand where the population has fallen to 7,000.
New figures show 26% of all sharks, rays and related species in the north-east Atlantic are threatened with extinction. Seven per cent are classed as critically endangered, while a fifth are regarded as near-threatened.
An environmental art short that brings together powerful storytelling and stirring imagery. It reveals that the most pressing environmental issues are not happening thousands of years from now, but are in fact happening within our lifetime and ...
Aggressive overfishing threatens to push some shark species to extinction, and a new study puts annual shark deaths at 100 million.
Trophy hunters and trappers and hound hunters are taking a big toll, killing a third of the wolves in a single year in some states. If this is what recovery means, then I am sure the wolves don't want any of it.
A Chinese vessel that ran into a protected coral reef in the southwestern Philippines held evidence of even more environmental destruction inside: more than 10,000 kg (22,000 lbs) of meat from a protected species, the pangolin or scaly anteater.
Both the state and federal governments of Australia support and encourage the clearfelling of ancient forest.
An unprecedented global crime wave threatens the most important natural places on Earth and we are failing in our efforts to stop it. We're going to lose this fight if we don't up our game with solutions as sophisticated as the criminals we face.
Manatees are endangered largely due to human activity. Since record-keeping began in 1974, more than 41% of manatee deaths where cause of death was identified were human-related and almost 34% were due to watercraft collisions.
Five mass extinctions have occurred since life began on Earth. Are humans causing the next mass extinction? And what does evolutionary theory predict for the world we will leave to our descendants?