On his first day, the 46th president rejoined the Paris agreement and axed the Keystone XL pipeline, among a slew of executive actions reversing the Trump administration's environmental rollbacks.
Homepage of National Audubon Society
Trump Administration Drastically Slashes Protections for Northern Spotted Owls
The Interior secretary cut more than one-third from the bird's critical habitat just after his department said it should be listed as endangered.
Photo: John Huba