A young cow that escaped from its Polish farm last fall is found living with a herd of bison in Białowieża Forest. 

Authorities in Brazil close the dump in the capital city of Brasilia, the largest in Latin America, leaving thousands of scavengers without jobs. 

Big-game hunter Larry Altimus is found guilty of illegally killing a rare desert bighorn ram in Utah and is banned from hunting in 47 states.

The eastern cougar is officially extinct. 

North Korea nuclear jitters and the Trump administration’s lack of action on climate change lead the Bulletin of Atomic Scientists to move its “Doomsday Clock” up by 30 seconds. The clock now stands at 11:58, the closest it has been to midnight since 1953 during the height of the Cold War. 

President Donald Trump imposes 30 percent tariffs on imports of solar panels from Asia.

For the third time, Trump waives environmental regulations for construction of his proposed border wall between the United States and Mexico.

Interior Secretary Ryan Zinke neglected to disclose his ownership in a company that manufactures firearms and advanced-weapons material. 

Zinke will allow construction of a controversial road through the Izembek National Wildlife Refuge in Alaska to the remote community of King Cove. 

Norway cancels a wind farm in a national reserve that is home to a herd of wild reindeer. 

An endangered Amur leopard, of which only 60 remain, is found to suffer from canine distemper, a virus rare in cats but common in domestic dogs. 

People who are concerned about climate change are prone to depression and anxiety.