A type of radioactive waste that is a by-product of the nuclear fuel cycle–processes that are needed to produce nuclear fission or the splitting of the atom.

Materials left over from the production of nuclear energy. It is the broader term that includes all waste types that contain radioactivity — among these is nuclear waste.

A device that generates negative electrical charges attracting airborne particles–including smoke, dust and other allergens–which are then trapped, thus cleaning the air. Ionizers are gaining popularity for improving indoor air quality.

Antibacterials have a bad side, but many natural items can be reused to combat nasty bugs.

A philosophy in modern science that espouses chemical and engineering research to design products and processes with minimal impact to the environment, particularly minimizing the use of hazardous substances.

A type of biome that is characterized by climactic extremes. Desert lands are usually dry and hot but they are also prone to sudden flash floods and cold nights. Generally, however, deserts are extremely dry areas that get less than 10 inches of rain each year on average.

A source reduction option wherein evaluation and selection of items for use is dependent upon the method of manufacture, product content and recyclability of product.

Fuel produced by separating, shredding and processing mixed wastes, typically municipal solid waste.

A method of recovering waste to use them as resource materials. It involves the reuse of wastes or the collection and treatment of a waste product for use as a replacement of all or part of the raw material in the manufacturing process.

Big, strong and seemingly unbreakable — shipping containers are a great place to start for a new style of building!

Toxins hidden in your lipstick and other makeup products are carelessly being dumped in landfills.

The geographical study of the distribution of plants and animals at global, regional and local scales.