"...the majority of PFAS are still in the soil, and they are migrating down slowly in a way similar to a ticking time bomb."

Rice yields could decline about 40% by 2100, affecting about 2 billion people worldwide. What's more, the rice could contain twice as much toxic arsenic.

A new tool can spot contamination from coal fly ash. "Our hope is that this new tracer...will help us provide greater protection to communities at risk."

"Young children are extremely vulnerable to lead poisoning because of their normal crawling, hand-to-mouth, exploratory behavior."

An invention microwaves weeds to destroy them without herbicies. It penetrates about 5 centimeters into the soil to destroy seeds, too.

Rotating corn and soybeans offers environmental and management benefits to farmers, but could pose long-term tradeoffs for the health of the soil.

Climate change may make it harder for the soil to absorb water. That could have serious implications for food production and security, researchers warn.

Scientists may have overestimated the amount of carbon that US land can suck out of the atmosphere.

Lake Tahoe, one of the clearest, cleanest lakes in the US, shows how that the issue of microplastics goes way beyond the oceans.

"...we really need new structural classes of antibiotics that have never been contaminated by clinical resistance from established antibiotic classes."