It looked like a bomb had gone off in the vast stand of giant sequoias on a mountain ridge in the southern Sierra.

Charred trees rose — some stripped of leaves and eerily skeletal — in Kings Canyon National Park’s Redwood Mountain Grove. Ash hung in the air and clawed at visitors’ throats on a chilly afternoon in November.

More than 10,000 feral horses will be removed from the Kosciuszko National Park within six years under a new management plan introduced by the NSW government.

Departing Monaro MP and former deputy premier John Barilaro used his valedictory speech on Wednesday to reveal the plan had been finalised, which would see horse numbers reduced in the park from more than 14,000 to 3000 by 2027.

Seven tribes are asking an Alabama university to return the remains of nearly 6,000 people excavated over the years from what once was one of the largest Native American settlements in North America.

The Muscogee Nation, Choctaw Nation of Oklahoma and five other tribes have filed a petition under a federal law for the return of 5,982 “human remains of our ancestors” and funerary objects now held by the University of Alabama and its Moundville Archaeological Park.