Slippery Slopes

More than 200 million impoverished people worldwide make their homes on hillsides. These hillsides are the source of some 20 percent of the world’s freshwater,…

Waste Not Want Not

Two companies that appear to have little in common have joined forces to build processing plants that will convert biomass to energy and create organic…

The Caribou Question

By Deborah Jacobs As politicians debate oil exploration in the Arctic National Wildlife Refuge (ANWR), public attention has turned to the caribou. Due to their…

Arctic Expeditions of the 19th Century

By Daniel K. Benjamin Government-sponsored polar expeditions made fewer major discoveries introduced fewer innovations, lost more ships, and had more explorers die. Throughout the nineteenth…