The Best Water Filters Of 2010

There are a lot of misleading claims about water filters. Many filters are marketed with general statements like “improves taste and odor”. But filter manufacturers don’t mention the specific amount of pesticides or chloramines removed, for example.

Gas-Free Commuting: Efficient And Amazingly Economical

Automobiles are a major source of pollution (no surprise there).  Cars also play a big role in our reliance on petroleum, which has its own environmental and socio-political baggage.  So reducing your time behind the wheel may be the socially responsible thing to do, but it literally has a more direct payoff too – namely, saving you a stunning amount …

The Fluoride Debate

It’s in our drinking water, our toothpaste and even the bottled juices and sodas we drink. Fluoride, according to the American Dental Association, is a key mineral in the fight against cavities and can even repair the early stages of tooth decay. The ADA warns, however, that, like any other nutrient, fluoride can be misused and, in some circumstances, can …

North America’s Largest Solar-Electric Plant Switched On

North America’s largest solar photovoltaic system is now running and generating power — about 30 million kilowatt-hours of electricity annually. The 14 megawatt power plant is at the Nellis Air Force Base in the sunny desert of southern Nevada. It’s expected to save about $1 million in power costs annually, and reduce carbon dioxide emissions by 24,000 tons each year.

The World’s First Flushable Diapers: gDiapers

gDiapers are innovative diapers invented by a husband and wife team from Australia. They are being billed as the first flushable diapers, and will soon be available in the U.S. The system consists of an outer shell (similar to a diaper wrap), an absorbent flushable insert, and a nylon snap-in liner. The whole ensemble comes with a “swishstick” for breaking …

Review: The Best Flashlights (2008 Update)

Update: See our newer post The Best Flashlights Of 2009 What are the most efficient flashlights available today? We think LED-based flashlights are the only ones worthy of consideration. LEDs will shine longer than other bulbs, and can withstand shocks and temperature extremes. The best LED flashlights incorporate bright, high-quality LEDs with regulatory circuits that insure a consistent, long-lasting light. …

Very Efficient: Pocket Filter by Katadyn

katadyn_pocket-contents-base

This is a serious portable water filter from Katadyn. It’s efficient because it uses a ceramic filter, which will not let anything larger than 0.2 microns through. It also has a long life — it will filter up to 13,000 gallons before you need to replace the cartridge. The filter eliminates bacteria, viruses, cysts, protozoa, algae, spores, sediment and reduces …

“Electranet” Could See Light Of Day

With his new-found movie star clout, former Vice President Al Gore has begun an aggressive environmental crusade for ground-breaking technology and policy changes to the nation’s electricity grid. Using the momentum of his Oscar-winning documentary on global warming, Gore is advocating a decentralized “smart grid” that would allow anyone to set up their own generator and buy or sell surplus …

Windspire: Propeller-Free Household Turbine Gets Approval

mariah-power-s-windspire-trade-wind-power-appliance-completes-successful-etl-certification

We just featured the largest wind turbine in the world, now here’s something at the opposite end of the spectrum: a household wind turbine. In the last few years, we’ve seen a lot of mini-wind turbines that haven’t turned out to be very useful. But the Windspire turbine from Mariah Power sounds interesting. The Windspire has a propeller-free vertical-axis design, …