Pollution
On Maryland's Eastern Shore, researchers are testing how well methods to limit agricultural pollution to the Chesapeake Bay actually work.
Scientists argue non-toxic alternatives such as steel would keep many tons of lead out of the environment each year.
Scientists develop a new "green" method for cleaning up a decades-long environmental mess.
Tiny bits of plastic pose threats to freshwater and marine ecosystems.
On the fifth anniversary of giant Gulf oil spill, a look at new remediation technology.
New research reveals how ocean litter moves around the world.
Reusable, magnetic nanoparticles can remove crude oil from water.
Scientists study how thunderstorms interact with pollutants in the atmosphere.
Toys' lead levels now closely monitored, but other metals don't receive the same oversight.
Adding boron to carbon nanotubes creates twisty, magnetic sponge.