Carbon dioxide and methane are potent greenhouse gases. On land, soils store a huge amount of carbon - about twice as much as the atmosphere - but they're not the only terrestrial carbon sink.
Twenty years ago, pollution draining into Lake Tahoe were reducing the lake's clarity by one foot per year. People visiting Lake Tahoe used to be able to see over 97 feet into the water, but by 1997, people could only see 64 feet -- an all-time low.
COVID-19 has all of us cleaning more—but the products designed to kill viruses and bacteria can have dangerous health impacts. Here's how to scrub safely.
Researchers say that more microplastics pollution is getting into farm soil than oceans—and these tiny bits are showing up in our fruits, veggies, and bodies.