Energy

Fresh Concerns Emerge as Japan Unveils Timetable for Fukushima Shut Down

Assessing the full impact of Japan’s crisis has been a moving target since the first minutes after the 9.0 earthquake struck on March 11. So it’s with a cautious sense of optimism that Sunday’s news from Tokyo Electric and Power Company (TEPCO) – that the crippled power plant could be in cold shut down before the end of the year …

The Planet’s Natural Air Filters

The Earth as one great organism has always been one of the most appealing metaphors of the green movement. From the moment environmentalist James Lovelock first articulated his so-called Gaia hypothesis—after the Greek goddess of the Earth—in the 1970s, the theory has continued to charm environmentalists.

It doesn’t stand up to …

How the Ice in Your Drink is Imperiling the Planet

Want to save the Earth? Easy, just buy a couple of ice trays. To the long list of human inventions that are wrecking global climate—the internal combustion engine, the industrial era factory—add the automatic ice maker.

Climate modelers have long known that households are far bigger contributors to global warming than most …

Is the U.S. Ready for a Nuclear Emergency?

On Friday, Japan faced another round of assessing the damage from a massive aftershock — the strongest in over 400 in the last month — that struck off the north coast late last night. At least three people were killed in the quake and more than 140 injured, and as of Friday evening, millions in the disaster-struck region were again …

Can Green Energy Scale? Wind Power Is Getting There

 

It’s a question we ask all the time: when will green energy scale up? After all, renewable power won’t really make a difference until it can provide a bulk of the country’s energy supply. That hasn’t happened yet—while technically renewable sources provide around 20% of U.S. power, nearly all of that is biomass or hydro. Wind …

A New Scorecard Ensures That Clean Tech Stays Clean

I’m just back from the Fortune Brainstorm Green conference, wanted to note a new ranking of global solar companies coming from the Silicon Valley Toxics Coalition (SVTC). It’s not a ranking of the best solar panel companies, or the ones with the biggest sales. Instead, SVTC has analyzed which solar companies do the best job of minimizing …

GE Scales Up on Solar

It’s good news for solar advocates and bad news for competitors—General Electric is ready to break into the solar cell business in a major way. The $218 billion company announced today that it had built a solar module with the highest-ever efficiency rate for cadmium-telluride thin film—the most popular low-cost solar technology—at …

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