dead fish float in a polluted river

A Dead Fish “Vitamin Pill,” Microbes that Put Dinner on the Table, and a Truck that Runs On Cow Manure

From microbial biochemistry to recycling dead fish to manure-to-energy converters, here’s this week’s most surprising sustainability news.
Humpback whale

Why Have Whales Come to New York City?

What brought whales to the city? It’s a tale of water quality, plankton, and an unassuming but vital fish called the menhaden.