Brian Nitz wants environmentalists and writers to seriously consider whether the word "sustainable" is, well, sustainable. (Related: this XKCD comic)
Leave the marshmallows at home, and bring your bow and arrow to summer camp instead. In Largo, Florida, the Country Day School created a camp based on The Hunger Games, where campers play intense games of capture the flag. Don't worry, killing your fellow campers isn't allowed.