Environment

FILE - In this Oct. 29, 2019 file photo, opponents of the Keystone XL oil pipeline from Canada demonstrate in sub-freezing temperatures in Billings, Mont. Alberta is investing $1.1 billion in the disputed Keystone XL pipeline, a project that Alberta Premier Jason Kenney says is crucial for the province's economy. (AP Photo/Matthew Brown, File)

FILE - This Dec. 12, 2018, file photo shows traffic on the Hollywood Freeway in Los Angeles. The Trump administration is rolling back tough Obama-era mileage standards and gutting one of the United States' biggest efforts to slow climate change. The administration released its relaxed mileage rules Tuesday. (AP Photo/Damian Dovarganes, File)

This notice posted on the Twitter account of Hillsborough County Sheriff Chad Chronister on Monday, March 30, 2020, seeks the public's help for new leads in the disappearance of Jack "Don" Lewis, the former husband of a big cat sanctuary owner featured in the new Netflix series “Tiger King.” Chronister posted that the popularity of the seven-part documentary made it a good time to ask for new leads in Lewis' 1997 disappearance. (Hillsborough County Sheriff Chad Chronister via AP)

FILE-In this May 29, 2019 file photo the Tokyo Tower is lit up at dusk as rain clouds hover over Tokyo's skyline. Patricia Espinosa, Executive Secretary of the United Nations Framework Convention on Climate Change, on Tuesday chided Japan over its new plan to reduce greenhouse gas emission. Environmental campaigners say Tokyo's new proposal shows no real ambition to increase existing efforts. (AP Photo/Jae C. Hong)

FILE - In this Monday, Feb. 17, 2020 file photo, a bison walks through the snow in Yellowstone National Park's Lamar Valley near Mammoth Hot Springs, Wyo. Park officials said hundreds of bison were removed from the park's herds this winter by hunters and a controversial slaughter program. (AP Photo/Matthew Brown, File )

A lone jogger run on a partially empty 7th Avenue, resulting from citywide restrictions calling for people to stay indoors and maintain social distancing in an effort to curb the spread of COVID-19, Saturday March 28, 2020, in New York. President Donald Trump says he's considering a quarantine affecting residents of the state and neighboring New Jersey and Connecticut amid the coronavirus outbreak, but New York Gov. Andrew Cuomo said that roping off states would amount to "a federal declaration of war." (AP Photo/Bebeto Matthews)

President Donald Trump speaks about the coronavirus in the James Brady Briefing Room, Wednesday, March 25, 2020, in Washington as Vice President Mike Pence and Treasury Secretary Steven Mnuchin listen. (AP Photo/Alex Brandon)

FILE - In this Feb. 27, 2020, file photo, Environmental Protection Agency Administrator Andrew Wheeler testifies during a hearing on Capitol Hill in Washington. The Trump administration is steadily pushing major public health and environmental rollbacks toward enactment, rejecting appeals that it slow its deregulatory drive while Americans grapple with the pandemic. (AP Photo/Alex Brandon)

FILE - In this Saturday March 7, 2020 file photo, Britain's Prince Harry and Meghan, Duchess of Sussex arrive at the Royal Albert Hall in London. Meghan, Duchess of Sussex has her first post-royal job: narrating a Disney documentary about elephants. Disney announced Thursday, March 26 that the duchess is lending her voice to “Elephant,” released April 3 on the Disney+ streaming service. (Simon Dawson/Pool via AP, file)