A dead koala has been found between fallen trees in a logged forest that the Andrews government could have protected - had it not ignored advice from its own scientific committee.

After 42 years on the endangered species list, the Yellowstone grizzly bear, whose numbers have grown to more than 700 from fewer than 150, will lose its protected status, the Interior Department announced on Thursday.

In recent months, drought and overgrazing in northern Kenya have sent thousands of herders and their livestock into national parks and other protected areas, intensifying tensions over land and grazing. Violence has taken the lives of several rangers, and a surge in wildlife killings is devastating populations of one of East Africa's most majestic beasts: giraffes.

Environment minister Jan Szyszko has called for Białowieża to lose its heritage status, saying it was granted "illegally".

The daring work of saving the last samples of dying species

China's tiger farms are not sanctuaries for an endangered species. Instead, they are contributing to the wild tiger's march towards extinction.

President Trump announced on Thursday that the United States would withdraw from the Paris climate accord, weakening efforts to combat global warming and embracing isolationist voices in his White House who argued that the agreement was a pernicious threat to the economy and American sovereignty.

Coral bleaching on Australia's Great Barrier Reef is worse than first thought and the impact will accelerate unless global greenhouse gas emissions are cut.