Follow simple folding instructions to turn your hoodie into everything from a pillow to a backpack.

In Arizona, runners will compete in a 4-mile race with a smiling loo —  the mascot for the state's Fix A Leak Week.

New iPhone app from the Arbor Day Foundation lets you identify trees on the go. Plus, you can geo-tag them to start a national tree inventory system.

Always been curious about how composting toilets work? A blogger goes beyond the marketing brochures to reveal the practical aspects of green toilets.