A Solar Panel on Every Roof? In U.S., Still a Distant Dream

A Solar Panel on Every Roof? In U.S., Still a Distant Dream

Daunted by high up-front costs, U.S. homeowners continue to shy away from residential solar power systems, even as utility-scale solar projects are taking off. But with do-it-yourself kits and other innovative installation approaches now on the market, residential solar is having modest growth.

Facing the Dirty Truth About Recyclable Plastics

Facing the Dirty Truth About Recyclable Plastics

The recyclable plastic bags you get at the green grocer are not biodegradable. But product life-cycle assessments, which are about to become more prominent in the marketplace, fail to consider whether those bags will break down in landfills or just end up as litter.

Brown to Green: A New Use For Blighted Industrial Sites

Brown to Green: A New Use For Blighted Industrial Sites

Few places in the U.S. are as well suited to developing renewable energy as the contaminated sites known as “brownfields.” But as communities from Philadelphia to California are discovering, government support is critical to enable solar and wind entrepreneurs to make use of these abandoned lands.

Can Electric Vehicles Take Off? A Roadmap to Find the Answer

Can Electric Vehicles Take Off? A Roadmap to Find the Answer

Electric cars are finally coming to market in the U.S., but what is the future potential for this much-touted technology? A good way to find out would be to launch demonstration projects in selected U.S. cities to determine if, given incentives and the proper infrastructure, the public will truly embrace plug-in vehicles.

U.S. High-Speed Rail: Time to Hop Aboard or Be Left Behind

U.S. High-Speed Rail: Time to Hop Aboard or Be Left Behind

In recent months, several conservative governors have rejected federal funds to begin constructing high-speed rail lines in their states. But a high-speed rail advocate argues that such ideologically driven actions are folly, as other U.S. states and countries around the world are moving swiftly to embrace a technology that is essential for competitive 21st-century economies.

Japan’s Once-Powerful Nuclear Industry is Under Siege

Japan’s Once-Powerful Nuclear Industry is Under Siege

The disaster at the Fukushima-Daiichi nuclear power plant has highlighted the importance of nuclear energy to Japan and the power long wielded by the nuclear sector. But that influence now is sure to wane, to the relief of opponents who have fought for years to check nuclear’s rapid growth.

Green Energy’s Big Challenge: The Daunting Task of Scaling Up

Green Energy’s Big Challenge: The Daunting Task of Scaling Up

To shift the global economy from fossil fuels to renewable energy will require the construction of wind, solar, nuclear, and other installations on a vast scale, significantly altering the face of the planet. Can these new forms of energy approach the scale needed to meet the world’s energy demands?

Why Does Energy Efficiency’s Promise Remain Unfulfilled?

Why Does Energy Efficiency’s Promise Remain Unfulfilled?

Among the many measures the world can take to wean itself off fossil fuels, few match the benefits of making homes, business, and cars more energy-efficient. But financial and psychological barriers have kept individuals, businesses, and governments from realizing efficiency’s great potential.

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