Posted by & filed under Consumerism, Energy Systems, Global Warming/Climate Change, Society.

by Lester R. Brown, Earth Policy Institute

Between 2007 and 2011, carbon emissions from coal use in the United States dropped 10 percent. During the same period, emissions from oil use dropped 11 percent. In contrast, carbon emissions from natural gas use increased by 6 percent. The net effect of these trends was that U.S. carbon emissions dropped 7 percent in four years. And this is only the beginning.

The initial fall in coal and oil use was triggered by the economic downturn, but now powerful new forces are reducing the use of both. For coal, the dominant force is the Beyond Coal campaign, an impressive national effort coordinated by the Sierra Club involving hundreds of local groups that oppose coal because of its effects on human health.

In the first phase, the campaign actively opposed the building of new coal-fired power plants. This hugely successful initiative, which led to a near de facto moratorium on new coal plants, was powered by Americans’ dislike of coal. An Opinion Research Corporation poll found only 3 percent preferred coal as their electricity source—which is no surprise. Coal plant emissions are a leading cause of respiratory illnesses (such as asthma in children) and mercury contamination. Coal burning causes 13,200 American deaths each year, a loss of life that exceeds U.S. combat losses in 10 years of war in Afghanistan and Iraq.

The campaign’s second phase is dedicated to closing existing coal plants. Of the U.S. total of 492 coal-fired power plants, 68 are already slated to close. With current and forthcoming U.S. Environmental Protection Agency air quality regulations on emissions of mercury, sulfur, and ozone precursors requiring costly retrofits, many more of the older, dirtier plants will be closed

In August, the American Economic Review—the country’s most prestigious economics journal—published an article that can only be described as an epitaph for the coal industry. The authors conclude that the economic damage caused by air pollutants from coal burning exceeds the value of the electricity produced by coal-fired power plants. Coal fails the cost-benefit analysis even before the costs of climate change are tallied.

In July 2011, New York Mayor Michael Bloomberg announced a grant of $50 million to the Beyond Coal campaign. It is one thing when Michael Brune, head of the Sierra Club, says that coal has to go, but quite another when Michael Bloomberg, one of the most successful businessmen of his generation, says so.

The move to close coal plants comes at a time when electricity use for lighting will be falling fast as old-fashioned incandescent light bulbs are phased out. In compliance with the Energy Independence and Security Act of 2007, by January 2012 there will be no 100-watt incandescent light bulbs on store shelves. By January 2014, the 75-watt, 60-watt, and 40-watt incandescents will also disappear from shelves. As inefficient incandescents are replaced by compact fluorescents and LEDs, electricity use for lighting can drop by 80 percent. And much of the switch will occur within a few years.

The U.S. Department of Energy projects that residential electricity use per person will drop by 5 percent during this decade as light bulbs are replaced and as more-efficient refrigerators, water heaters, television sets, and other household appliances come to market.

Even as coal plants are closing, the use of wind, solar, and geothermally generated electricity is growing fast. Over the last four years, more than 400 wind farms—with a total generating capacity of 27,000 megawatts—have come online, enough to supply 8 million homes with electricity. (See Excel data.) Nearly 300,000 megawatts of proposed wind projects are in the pipeline awaiting access to the grid.

Texas, long the leading oil-producing state, is now the leading generator of electricity from wind. When the transmission lines linking the rich wind resources of west Texas and the Texas panhandle to the large cities in central and eastern Texas are completed, wind electric generation in the state will jump dramatically.

In installed wind-generating capacity, Texas is followed by Iowa, California, Minnesota, and Illinois. In the share of electricity generation in the state coming from wind, Iowa leads at 20 percent.

With electricity generated by solar panels, the United States has some 22,000 megawatts of utility-scale projects in the pipeline. And this does not include residential installations.

Closing coal plants also cuts oil use. With coal use falling, the near 40 percent of freight rail diesel fuel that is used to move coal from mines to power plants will also drop.

In fact, oil use has fallen fast in the United States over the last four years, thus reversing another long-term trend of rising consumption. The reasons for this include a shrinkage in the size of the national fleet, the rising fuel efficiency of new cars, and a reduction in the miles driven per vehicle.

Fleet size peaked at 250 million cars in 2008 just as the number of cars being scrapped eclipsed sales of new cars. Aside from economic conditions, car sales are down because many young people today are much less automobile-oriented than their parents.

In addition, the fuel efficiency of new cars, already rising, will soon increase sharply. The most recent efficiency standards mandate that new cars sold in 2025 use only half as much fuel as those sold in 2010. Thus with each passing year, the U.S. car fleet becomes more fuel-efficient, using less gasoline.

Miles driven per car are declining because of higher gasoline prices, the continuing recession, and the shift to public transit and bicycles. Bicycles are replacing cars as cities create cycling infrastructure by building bike paths, creating dedicated bike lanes, and installing sidewalk parking racks. Many U.S. cities, including Washington, D.C., Chicago, and New York, are introducing bike-sharing programs.

Furthermore, when people retire and no longer commute, miles driven drop by a third to a half. With so many baby boomers now retiring, this too will lower gasoline use.

As plug-in hybrid and all-electric cars come to market, electricity will replace gasoline. An analysis by Professor Michael McElroy of Harvard indicates that running a car on wind-generated electricity could cost the equivalent of 80-cent-a-gallon gasoline.

With emissions from coal burning heading for a free fall as plants are closed, and those from oil use also falling fast—both are falling faster than emissions from natural gas are ramping up—U.S. carbon emissions are falling.

We are now looking at a situation where the 7 percent decline in carbon emissions since the 2007 peak could expand to 20 percent by 2020, and possibly even to 30 percent. If so, the United States could become a world leader in cutting carbon emissions and stabilizing climate.

6 Responses to “U.S. Carbon Emissions Down 7 Percent in Four Years: Even Bigger Drops Coming”

  1. dave riley

    Are we living on the same planet? Greenhouse gases rise by record amount.

    And a related report “The US Energy Information Administration’s (EIA’s) latest Short-Term Energy Outlook says that economic recovery means carbon emissions will rise over the next two years, making it harder for the US to meet its proposed target of cutting emissions by 17 per cent on 2005 levels by 2020.”

    Reply
  2. Craig Mackintosh PRI Editor

    Hi Dave. I asked Lester’s PA to respond on your comment. This is the response:

    The figures referenced in the AP article reflect carbon emissions data solely comparing 2010 to 2009, whereas Lester Brown’s article looked at the trend in U.S. carbon emissions from their peak in 2007 through the end of 2011. There was indeed an uptick in U.S. carbon emissions in 2010, but we’re set for another drop in 2011 and an even steeper decline in 2012, according to the U.S. Department of Energy’s (DOE) latest Short Term Energy Outlook: http://205.254.135.24/steo/. Please also see the graphs and tables available on the Web page for Lester’s article: http://www.earth-policy.org/plan_b_updates/2011/update101. These long-term data for carbon emissions and fossil fuel consumption (via DOE) help illustrate the trend.

    Reply
  3. Greg

    I am absolutely speechless after this article. I kept waiting for the “But…” paragraph.

    Since when

    1) Is there any good news on the environmental front?
    2) Does Lester Brown write anything positive?

    I might have to adjust some of my world views if the trends in this story are true and sustained…

    Reply
  4. Nick Huggins

    I suppose thats what happens when you ship all your manufacturing off shore to China, India, and the rest of the 3rd world countries. I’d tend to look a bit deeper at this article.

    Reply

Leave a Reply

  • (will not be published)