After his wife died, a Rhode Island retiree found purpose turning curbside trash into treasure, fixing up castoffs and selling them low to help neighbors.

Three teens won the Global Earth Prize for Plas-Stick, a tamarind powder that clumps microplastics in water so they can be lifted out with a magnet.

Endangered North Atlantic right whales had 23 calves this season, the most since 2009, with shorter gaps between births hinting at a real recovery.