Alaska has seen more than 500 forest fires since the beginning of April, which have forced the evacuation of mining camps, villages and remote cabins.

The Trump administration has announced it is considering a proposal to conduct seismic testing for oil and gas in the Arctic national wildlife refuge, the largest such preserve in the US.

Tongass is the world’s largest intact temperate rainforest, with trees more than 1,000 years old. But a pro-logging effort could uproot them.