Joe Biden ran to the right of his top rivals on climate policy. But now that he's the nominee, Biden's climate plan is trying to appeal to all sides of the Democratic Party.
An Obama-era rule has already reduced toxic air pollution like mercury from coal-fired power plants. So why did the EPA roll it back now? In a word, co-benefits.
There are some similarities: a reluctance to admit to the scale of the problem and the need to take radical action very quickly on a global scale. And we have to listen to the scientists.
This year is the 50th anniversary of Earth Day, but the coronavirus pandemic has moved celebrations online. Environmental groups have a month-long challenge for Pennsylvanians of all ages.
The pest, which has already damaged grape crops in eastern counties, is moving westward. Businesses will need permits to move goods in and out of quarantined counties.
One author examines the rise of oil as the dominant resource for power. "So we fought many wars for access to oil when oil was plentiful. You have to wonder what's going to happen when oil becomes a scarce resource."