Newsletter www.nytimes.com John J. Mooney, an inventor of the catalytic converter, dies at 90 The device he developed with a colleague in the 1970s has prevented billions of tons of carbon emissions from being spewed by cars, trucks and lawn mowers.
Causes Get off my lawn How a small group of activists (our correspondent among them) got leaf blowers banned in the nation's capital.
A controversial facility that would process plastic waste to be burned in steel mills has been cancelled
Young plaintiffs in Juliana v. United States lose Supreme Court bid but say they'll continue their pursuit of climate justice
