Tuesday, Biden suspended a Trump law that allowed drilling in the Arctic National Wildlife Refuge, one of the few undeveloped wildernesses left and home to migrating waterfowl, caribou and polar bears.
The Trump rule horrified environmentalists but legal fights stalled in the courts.
Now, Biden has immediately suspended all oil and gas drilling
The decision effectively blocks oil and gas drilling in one of the largest tracts of undeveloped wilderness in the United States.