Science Friday Initiative
Science Friday: How Wood Smoke Is Dirtying Alaska's Air
The air quality in Alaskan cities such as Fairbanks has been determined to be worse than most places in the United States, and is having adverse effects on residents' health. The source of this pollution is the smoke from wood stoves,...
PBS
Pbs Learning Media: Inexpensive Inventions and the World's Poor: Earth Sky
Environmental scientist Ashok Gadgil is perhaps best known for his inventions which include an ultraviolet water purifier that can provide clean, cheap water for a thousand people per day and an inexpensive, ultra-efficient cooking stove...