Izaak Walton League of America, an organization dedicated to preserving the nation's natural outdoor recreational resources. The league seeks to prevent water pollution and soil erosion; protect forests; defend public lands against commercial exploitation; protect fish and wildlife; and encourage conservation education. The league publishes Outdoor America, a quarterly. The Izaak Walton League was founded in 1922 and named for the 17th-century nature writer. Membership is about 50,000. Headquarters are in Arlington, Virginia.
As the world's population booms, we'll need more farmland to grow all the food it takes to feed everyone. Where are those farms going to be? Could it be build up instead of out?
Technology has brought us an unprecedented ability to maximize crop yields, even in drier climates. But we can take too much from the land. What's the worst that could happen?