In 1995, World Bank vice president Ismail Serageldin declared that "the wars of the next century will be about water." Check out our HowStuffWorks article to learn what happens once we run out of water.

When Prague's water treatment plant celebrated 100th anniversary, a street band provided the entertainment. When asked, if they could play a part of the symphony of the same name as the river the cleaning is on, they had. Original working steam engines are shown in the video.

The United Nations has found that 22% of the world's population does not have access to clean drinking water. Could we fix the water shortage by manufacturing water? Check out this HowStuffWorks podcast to learn more about manufacturing water.

Diesels get better mileage than gas engines. Biodiesel has a lower carbon footprint and supports farmers. Great reasons to dump a gas engine and run biodiesel. Want a better reason? Exxon made 36 Billion last year... you don't have to buy gasoline.

Diesels get better mileage than gas engines. Biodiesel has a lower carbon footprint and supports farmers. Great reasons to dump a gas engine and run biodiesel. Want a better reason? Exxon made 36 Billion last year... you don't have to buy gasoline.

If you've been in a restaurant kitchen, you've seen how much food, water and energy can be wasted there. Chef Arthur Potts-Dawson shares his very personal vision for drastically reducing restaurant, and supermarket, waste -- creating recycling, composting, sustainable engines for good (and good...

Kayleigh Pearson leads the babes in their carting capers at Dirt Diggers!

Watch out, 'cause this whacky, early-morning "Zoo Crew" has a ton of Avian Spring Water** to give away, and they're pounding the pavement, stopping random people on the street and asking them, "How long you been up?" **Please note: Avian Spring Water-Flavored Beverages are in no way affiliated...

Hollywood 411 hit the hottest red carpets and caught up with the casts of RUN FATBOY RUN, DAMAGES and THE HILLS.

Salt water fuel could be the next viable alternative to foreign oil. Learn about the ongoing research behind the concept of salt water fuel in this HowStuffWorks podcast.