Once polluted and abandoned, back alleys have sprouted into flourishing rain gardens.
Between 1945 and 1969, archaeologists hurriedly surveyed over 20,000 prehistorical sites before the Mississippi River Basin was flooded by dams.
Cities encourage potentially devastating floods by laying down asphalt and pavement. Could this be avoided by making them "spongier" and more absorbent?
This week in sustainability news: rats v. kiwis, radiation links in midcentury Soviet Union, and an American town with no running water.