The 2018 red tide deposited many tons of dead fish and other marine debris on Florida’s beaches. Local officials had to figure out how to clean it up.
Chicago’s manmade North Branch Canal is polluted and lacks natural habitat. Enter 80 coconut-fiber “islands” that host wildlife and filter the water.
Federal regulations mean that passengers flying from one weed-legal destination to another with their personal stash may still be breaking the law, but in at least one U.S. airport, that weed can fly.
A study of decades-old German green roofs found that they don’t support a wide range of animal and plant life. But researchers and designers are trying to change that.