The nearly forgotten cassette tape is reusable in hundreds of ways — use this collection of reused cassettes to inspire your eco-craftiness!

Reuse cassette tapes and their cases by making practical accessories in a few simple steps.

The Director of Sustainable Business Practices at the Global Institute of Sustainability on campus tells us how the school has become an eco-leader.

After you have turned the last page, a book’s usefulness increases exponentially.

An estimate of the acceptable daily human exposure to a hazardous substance–likely to be without significant adverse effects, or to be cancerous over a specified duration of exposure.

Information provided by the EPA and the Centers for Disease Control concerning a wide variety of hazardous substances. A toxicological profile summarizes the toxicologic and adverse health effects information for a specific hazardous substance.

Creosote refers to a variety of products: wood creosote, coal tar creosote, coal tar, coal tar pitch, and coal tar pitch volatiles. These products are mixtures of many chemicals created by high-temperature treatment of beech and other woods, coal, or from the resin of the creosote bush. Creosote is considered a toxic substance as it affects the skin and liver.

Those CDs and DVDs collecting dust on your shelves could be protecting the roof above your head.

One U.K. company is changing the perception of pre-worn T-shirts from stale to SAVED.

A market-based system that is meant to regulate greenhouse gas emissions responsible for global warming. The carbon market trades emissions under cap-and-trade schemes or with credits that pay for or offset GHG reductions.

A type of system used for trading greenhouse gas emissions. It relies on a strict but feasible cap that decreases emissions over time.

The use of land, such as agricultural and forest land types, as areas for carbon sequestration.