FILES-US-ALASKA-ENVIRONMENT-CLIMATE-SUBSISTENCE

(FILES) In this file photo taken on April 12, 2019 Melting permafrost tundra at the town of Quinhagak on the Yukon Delta in Alaska. - As far back as he can remember, Willard Church Jr. has gone out ice fishing well into the month of April, chopping holes that were easily four feet deep into the Kanektok River near his home. But the waterway that runs along the village of Quinhagak, in southwest Alaska, barely freezes now, a testament to the warming temperatures wreaking havoc on the state's indigenous people and their subsistence way of life. (Photo by Mark RALSTON / AFP) (Photo credit should read MARK RALSTON/AFP via Getty Images)