South Carolina officials may not reopen Bald Rock Heritage Preserve because of the large increase in the amount of graffiti there during its pandemic shutdown. 

US deaths from COVID-19 pass 50,000, 20,000 more than last week. More than 26 million American workers have filed for unemployment assistance in the past five weeks. Worldwide, more than 190,000 people have died.

A statistical study finds that Fox television viewers who watched coronavirus skeptic Sean Hannity were more likely to get COVID-19 and die than those who watched Tucker Carlson, who urged his viewers to take safety precautions. 

Indiana-based coal company Hallador Energy, which hired former EPA administrator Scott Pruitt as a lobbyist, wins $10 million from a federal loan program meant to assist small businesses of fewer than 500 employees. Hallador employs 768 people.  

An enormous glut of oil on the world market combined with shelter-in-place orders and a lack of storage capacity causes oil futures to dip into negative numbers, to -$37.63 a barrel. 

The fracking industry suffers its largest ever monthly drop in new activity. 

On three separate days in the past six weeks, wind has generated more electricity in the United States than coal. 

Smog-free skies in Germany result in a new record for solar power generation. 

Twenty-three square miles of protected wetlands in Biebrza National Park in northeastern Poland burn in a wildfire on Earth Day.  

A large eruption of Kīlauea Volcano in Hawaii may have been triggered by extreme rainfall. 

A UK company is developing a face mask for cows, not for the coronavirus but to reduce methane emissions from their burps. 

The EPA publishes its Waters of the US rule in the Federal Register, drastically narrowing the scope of the Clean Water Act. 

Record ocean warmth, especially in the tropical regions, presages a severe hurricane season and other extreme weather events later in the year.  

A camera trap captures the image of what may be the first wolf in France in more than a century.  

Wolf OR-7, which made headlines in 2011 when it loped into California from Oregon, is presumed dead, possibly of old age.