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.