A fungus is quickly wiping out most of North America's bats. Bats eat vast quantities of bugs that would otherwise eat crops, so if researchers can't save them, U.S. agriculture will suffer.
Edible landscaping is an investment that pays off in small and big ways. After we replaced our lawn with a food garden two years ago, people started to stop and stare in admiration at our yard. What's more, the garden now produces big value: $200 in supplies has thus far yielded about $1,000 in produce.