Here's how to create plastic using milk and vinegar. It can then be shaped and moulded into anything the user wants. While the article admits it's mainly for crafts and projects where the item won't see heavy use, it does present the question; if someone at home can create plastic from all natural materials why aren't we seeing more biodegradable safe plastics on the marketplace?
alternative
DIY: Create plastic from milk

Ammonia Fuel as an Alternative for Vehicles
Liquid anhydrous ammonia is one of the least talked about alternative fuels for cars that runs with little engine modification, is cheaper than gasoline, and has no CO2 emissions.

Giant Moon Collector Focuses Moon Light
I was out in the Sonoran desert last month visiting an intentional community, when Bob, one of my interviewees, offered to take us to visit this weird pit about a mile away. When we drove up, we found this.

8 Household Cleaning Agents to Avoid
A surprising number of the most harmful toxins ever created are found right in our own backyard — indeed, right inside your mop closet. Here are ways you can detoxify your home, make it safe again, and keep it that way.
Video: Las Vegas Center Explores New Solar Tech
Las Vegas is a pretty sunny place, right? So why isn't the whole city powered through solar energy? You could ask this question for a lot of places in the world. The answer we're hearing more and more is that alternative energy is not just about being good, but being politically advantageous and affordable. Boehm explains the ups and downs oftrying to implement alternative energy as a primary source of power. He also shows us some of the technology (includingsunlight captured through fiber optics for lighting!) that they're testing at the Center.

Alternative Methods for Producing Hydrogen
Critics argue that electrolysis of water is too energy intensive and costly, but miss the bigger picture that there are at least 15 other methods of producing hydrogen currently under development.

Electrum Spyder
The Electrum Spyder electric vehicle is a zero emissions sports car that made its debut this weekend at the Santa Monica AltCar Expo.

Santa Monica Alternative Car and Transportation Expo 2007
Electric cars and hydrogen vehicles peacefully coexisted at the Santa Monica AFV Expo this past weekend and there were a couple of notable surprises as well.

Hydrogen-powered Chevys hit the streets
The Equinox fuel cell cars run solely on hydrogen, which, at this point in time, is a drawback for the average consumer. Although we produce 40 billion kilograms of hydrogen globally every year--enough to power 130 million fuel cell-powered cars--hydrogen fueling stations are still scarce.

Mooching books has never been easier
BookMooch is a new website that helps you go green and sustainable by facilitating easier swapping of books. Raz Godelnik of Eco-Libris reviews the site and explains how maximizing the usage of every printed book minimizes the need to print new ones and saves many trees from being cut down.
Scaling Geothermal for Reliable Baseload Power - capacity of more than 100,000 MW
An article describing possible advances in geothermal energy, advantages over traditional energy sources.
SOLAR INGENUITY
It was just a matter of time before someone figured out how to do it: A solar powered electric bicycle.
Video: GM, DOE Challenge X Competition Generates More Than Winning Team
After three-years of competing in the “Challenge X: Crossover to Sustainable Mobility†challenge, a team from the University of Mississippi has been dubbed the victors. The competition, which is sponsored by General Motors and the U.S. Department of Energy, asked students throughout the U.S. to re-engineer a crossover sport utility vehicle that minimizes energy consumption, emissions and greenhouse gases.

Renewable Energy News
The most frequently updated energy news on the web, categorized and compiled from the best online sources. Includes a nifty feedbox for green webmasters to show the top stories on their blogs!

Free Chevy Equinox Fuel Cell SUV to Drive for 2 Years
General Motors is offering 100 lucky people their hydrogen-powered Chevy Equinox Fuel Cell SUV to drive for free for two years. There is still time to apply. See if you qualify.