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Renewable Energy vs. Fossil Fuels
Double click roll voluntarily screen Issue :delong Time:2011-06-15 8:09:37 Read :13242

Re “The Gas Is Greener,” by Robert Bryce (Op-Ed, June 8), claiming that vast amounts of natural resources are used to produce renewable energy:

Environmental organizations, including America’s largest, the Sierra Club, have been engaging communities across the country to build support for renewable energy projects because the toll that fossil fuels take on our health, economy and climate has been devastating. Especially as technology evolves, it would be a horrible mistake to ignore the tremendous job-creating potential that exists in developing clean energy like wind and solar.

All development projects require careful planning to ensure good stewardship of our environment. Fortunately, there are ample opportunities to plan renewable energy projects “smart from the start” by carefully locating them in areas that avoid sensitive wildlife habitats or important natural and cultural resources.

Seizing the opportunities presented to our country as we make a necessary transition to clean energy will require both cooperation and American ingenuity. Presenting false choices about renewable energy will only distract us from the important task that lies ahead.

VANESSA PIERCE
Deputy Director, Sierra Club’s
Beyond Coal Campaign
Washington, June 8, 2011

To the Editor:

Robert Bryce’s caricature of renewable energy grossly exaggerates the resource demands of wind power while minimizing those of gas-based electricity.

Farmers and ranchers around the country till fields and graze cattle amid the wind turbines on their land. Each turbine takes up a quarter of an acre. If California used today’s 3-megawatt turbines, it would need an area about the size of Central Park to site 8,500 megawatts of power — hardly equal to 70 Manhattans. And it would create enough power for about 2.5 million California households.

Mr. Bryce also compares the steel demands of wind- and gas-based power. He does not mention gas-based electricity’s share of the 800,000-plus miles of steel pipes used for gas drilling and transporting gas to market.

Wind turbines recover their full life-cycle energy inputs within the first seven months of operation. Gas plants are perpetual energy sinks. It’s not hard to see which is the cleaner energy resource.

PHILIP WARBURG
Newton, Mass., June 8, 2011

The writer is the author of the forthcoming book “Harvest the Wind.”

To the Editor:

Robert Bryce vastly overstated the amount of land needed for solar and wind power. Solar panels can be placed on rooftops — not requiring new land. More than 100,000 homeowners and businesses around the country have already installed rooftop panels to generate electricity.

Meanwhile, wind turbines, roads and support structures occupy only 2 to 5 percent of a wind farm. The area between the turbines can be used for other purposes, such as farming or ranching.

According to a peer-reviewed Union of Concerned Scientists study I co-wrote, wind and solar could meet 27 percent of America’s electricity needs by 2030 covering 36,600 square miles, including the area between the turbines. That’s only 1 percent of all land area in the United States.

Unlike natural gas, coal or nuclear plants, wind and solar plants don’t produce air or water pollution, global warming emissions or waste products, and use much less water.

STEVE CLEMMER
Director of Energy Research
Union of Concerned Scientists
Yarmouth, Me., June 8, 2011

To the Editor:

Robert Bryce is correct to highlight E. F. Schumacher’s dictum that “small is beautiful.” We do not need vast new tracts of land to install solar and wind power. We have acres and acres of buildings that are perfectly situated for rooftop collection systems and “small wind” generation.

Not only does this avoid the disturbance of new land but it also generates the power in the same location as it is consumed, avoiding the need for long-distance transmission, with its inherent power loss and ecological footprint issues. Our society likes to think big, but the solution lies in small.

GUY GEIER
Cranbury, N.J., June 8, 2011

To the Editor:

Robert Bryce makes some important points but overlooks one of the central benefits of renewable energy sources: they are renewable.

Mr. Bryce’s cost-benefit analysis does not take into account the cost of nonrenewable fuels themselves. For example, natural gas turbines might be cheap to build, but running them requires a constant supply of natural gas, which is costly, and will only become more costly as it becomes more scarce. On the other hand, operating solar panels requires only sunlight.

Regardless, the cost issue is moot. If we rely on nonrenewable energy, we will eventually run out of fuel, at which point we will be forced to construct solar and wind installations anyway. In the end, we will only have postponed the inevitable for a little while, incurring vast economic and environmental costs in the process.

BRIAN SEEVE
Boston, June 8, 2011

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