Philippe Matthews Show Guru Advice, Author Reviews, Tech Reviews, Entertainment News

How many miles will an electric car go on a gallon of gasoline? This is not a trick question.

By Anna Driver and Braden Reddall DALLAS/SAN RAMON, California (Reuters) - Large blocks of investors in the two biggest U.S. oil companies on Wednesday demanded more disclosure about the environmental risks of extracting oil and gas through hydraulic fracturing

The simplest way to cut down on energy use isn't to build millions of brand-new LEED-certified buildings; it's to convince people to make changes themselves.

On Saturday, the Dana and David Dornsife College of Letters, Arts and Science at the University of Southern California will send nearly 30 researchers on an expedition to Guam and Palau.

Some things are best done after dark. Setting off fireworks. Telling scary stories

A recent study published in Environmental Science & Technology shows the linkage between the illegal production of coca and the continuing destruction of Colombia's rainforest. New plots of coca between 2002 and 2007 accounted for the direct destruction of 890 square kilometers of rainforest. That's roughly 6 percent of total rainforest lost in that period, which totaled to 14,000 square kilometers, or an area slightly larger than Jamaica.

Walmart, that bastion of cheap food, clothing, and everything in between, has corporate-responsibility goals that put every other big box retailer to shame . When Walmart asks its 60,000 suppliers to shape up, the world listens; a demanding packaging goal will have companies the world over scrambling to fit the requirements (for both Walmart and the inevitable copycat retailers that jack up their requirements later). In Walmart's 2011 Global Responsibility Report , we get a glimpse at just how far along the company is in meeting its ultra-ambitious goals

Two reports out claim that some hair products, including those used in the popular "Brazilian Keratin" treatment, include formaldehyde, a chemical the Environmental Protection Agency considers a carcinogen.

Once considered a trend , environmentalism has established itself as permanent and profitable. "Environmental consulting is a mature business now," says Brad Mauer, business development manager for Sovereign Consulting Inc., an environmental consulting firm based in Robbinsville, New Jersey

Since the elections in November, newly elected Republican governors have been falling over themselves to return federal funding earmarked for high-speed rail.

There are hundreds of animals on the IUCN Red List --the definitive list of animals that are threatened with extinction.

Air pollution, in case you missed the memo, is really bad for you.

A team of scientists has perfected the first practical nanoscale power generator, capable of generating useable electrical current from a mere squeeze of your fingers. In the future it'll be able to draw power from your pulse

One key aspect of creating smarter, more liveable cities is to create more complete streets that are friendlier to bikers. A pretty good indicator of how well cities are doing at this is how many people are willing to brave a commute on their bikes.

On Saturday night between 8:30 and 9:30, you may notice that world seems darker.