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Forget the Kyoto Accord and Tax Carbon consumption

Given the failure of international climate negotiations, a tax on carbon consumption is the most effective way of lowering CO2 emissions. If nations are serious about addressing climate change, then they must pay for the carbon pollution caused by what they consume.

New York looks for ways to hold back the sea

New York City had been gradually preparing for a world of rising seas and more powerful storms. But the devastation caused by Hurricane Sandy is now forcing officials to consider spending billions of dollars on storm protection, including a network of surge barriers.

Can British Airways, Lufthansa push biofuels into the mainstream?

A few companies across the aviation sector have signed on to the idea of using sustainable fuel -- Boeing is among them. But to be able to use it effectively, an industry-wide commitment is needed.

High-Altitude Wind Energy: Huge potential — and hurdles

A host of start-up companies are exploring ways to harness the enormous amount of wind energy flowing around the earth, especially at high altitudes. But as these innovators are discovering, the engineering and regulatory challenges of what is known as airborne wind power are daunting.

For Electric Car Batteries, The Race for a Rapid Charge

The amount of time it takes to recharge lithium-ion batteries has been a major impediment to consumer acceptance of electric vehicles. But a host of companies and researchers are working intensively to develop a battery that can recharge in 10 minutes and power a car for hundreds of miles.