President Obama, Coal Killer

How America's Climate Strategy Became Tied to Natural Gas


President Obama has put natural gas at the center of his climate strategy because it is better and cleaner than coal by virtually all environmental measures. Gas is no environmental panacea, but measured in terms of lives lost, water used, air and water polluted, and effect on global warming, a new Breakthrough Institute report, "Coal Killer," finds natural gas is a major improvement over coal.

July 03, 2013 | Michael Shellenberger & Ted Nordhaus

Last week, President Obama forcefully put natural gas at the center of his agenda to deal with climate change. "Sometimes there are disputes about natural gas," he acknowledged, recognizing the local controversies over fracking, "but let me say this: We should strengthen our position as the top natural gas producer because, in the medium term at least, it not only can provide safe, cheap power, but it can also help reduce our carbon emissions." 

In casting his lot with gas, Obama aligned his climate strategy with the long-term trend toward using cleaner forms of energy. Slowly, often imperceptibly, our economy has been decarbonizing for over two centuries, moving from burning wood to coal to gas, hydro (dams), and nuclear. 

Observing that trend over very long time horizons can make it seem automatic; it is anything but. Public policies help bring new technologies to market, build infrastructure to allow those technologies to proliferate, and tilt markets toward cleaner and more efficient technologies and away from dirtier ones.

The rapid shift from coal to gas in recent years is no exception. Sustained public policy, including billions of dollars in federal funding for everything from basic research to applied R&D, cost sharing on demonstration projects, and tax policy support for deployment, made the shale gas revolution possible. Stronger air pollution laws helped tilt electricity markets away from coal. And a dense network of gas pipelines and generation capacity made it possible for new gas reserves to get to market quickly. 

Obama's determination to regulate carbon dioxide emissions from existing power plants will likely further accelerate this transition from dirty coal to cleaner gas. Gas prices have been rising in recent months, as producers pulled back after overproducing, and coal has gained back some of its lost market share. But the specter of forthcoming carbon dioxide regulations will likely accelerate the closing of older coal plants and provides greater certainty for gas producers that any comeback from coal will be limited.

Low cost, abundant gas will mitigate the costs associated with shutting down coal plants and should provide policymakers with strong incentives to continue to strengthen both conventional air pollution laws and carbon dioxide regulations.  

The President's speech should also, for all intents and purposes, mark the end of the fracking wars. For all their talk about methane leaks and water contamination, national environmental leaders offered unqualified praise for the President's speech. 

Gas is no environmental panacea, but by virtually every environmental measure, natural gas is preferable to coal. Measured in terms of lives lost, water used, air and water polluted, and effect on global warming, a new Breakthrough Institute report, Coal Killer, finds natural gas is far better and cleaner than coal — a sponge rock of toxic minerals including mercury — sometimes by an order of magnitude. Coal Killer, further argues that cheap gas is a boon to zero-carbon innovation, not an obstacle to it.

If many environmental leaders have quietly and grudgingly accepted that gas, for the foreseeable future, will take center stage in America's efforts to reduce emissions, some fractivists haven't. Gasland director Josh Fox told John Oliver of the Daily Show that Obama had sold out environmentalists, siding with the fossil fuel industry over renewable energy alternatives. But given that the President continues to strongly advocate heavy subsidies for renewables, it is hard to conclude that he has given up on them.

The reality is that renewables have failed to displace coal or gas even with heavy state and federal subsidies and ambitious state deployment mandates. Responding to demands from environmentalists that he act now to reduce emissions, the President functionally chose a fairly straightforward approach: increase the regulatory cost of burning coal in order to further tilt the energy system towards gas. 

That decision would have been the same with or without the cooperation of Congressional Republicans. Had cap and trade legislation passed the Congress in 2010, its primary effect would have been the same as the Clean Air Act regulations that the President announced last week: accelerating the shift from coal to gas. So would proposals to establish a federal carbon tax as part of potential reform of the federal tax code. 

That is the ultimate lesson of decarbonization and energy transitions. Energy technologies that are cheaper and cleaner replace older technologies that are dirtier and more costly. Public policy can help new technology along, supporting innovation, building necessary infrastructure, creating early markets, and placing a finger on the scale (or pedal) to speed the transition. 

But until new technologies come along that offer real economic and performance benefits over the old, no amount of public policy will succeed in displacing the incumbent energy technology. If America's natural gas revolution proves anything, it is that once we have energy technologies that are better, cheaper, and cleaner, it is possible to make significant progress on emissions fairly quickly.  

For this reason, gas should continue to deliver substantial emissions benefits over the next several decades. To continue to make progress beyond that, we will need to pay the gas revolution forward by investing in nuclear and renewables. 

That may not be the reality that many Americans want, some of whom are quite understandably upset with the ways in which fracking has changed landscapes that they love.  But it is the one that we have. Obama, to his credit, not only understood that reality but was courageous enough to be honest about it. 


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  • Water withdrawals and pollution by fracking remain unsolved problems for gas generation.  Water problems don’t disappear just because energy experts prefer to ignore them.  Water might be mentioned as an obvious advantage of gas turbines over steam cycles, which evaporate 1.9 liters of fresh water for each kWh. 

    Gas is going up in price, and fracked gas wells have a steep depletion curve, so what the price might be in a few years is difficult to estimate.  Industry experts have not been convinced that gas, with its just-in-time delivery and volatile price, can reliably keep the lights on.  See

    President Obama is targeting coal emissions not with the intention of killing coal but helping coal meet baseload power demand with acceptable emissions.  He’s not calling for substitute fuels.

    By Wilmot McCutchen on 2013 07 03

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  • Ted and Michael,  I greatly appreciate your efforts, and grant that burning of natural gas (NG) diminishes death-dealing pollution from coal significantly.  However, with respect to that other giant problem with fossil fuels, namely greenhouse gas (GHG) emissions and consequent global warming, it is necessary to take into account the entire life cycle of natural gas when accounting for its contributions.  Leakage of methane during NG extraction, as well as during distant pipeline distribution, contributes a tremendous proportion of GHG to NG’s contribution.  If only 4% were to leak, that would double the contribution of burning NG, since methane is about 25 times more potent a GHG than CO2 over its approximately 20-year lifetime in the atmosphere (compared to a century of CO2 residence in the atmosphere).  This GHG contribution from NG leakage is rarely if ever taken into account when it is pointed out by its supporters that NG burning contributes a little over half compared to coal burning. Estimates of actual leakage range up to 9%, so NG proves to be even worse than coal.  As I said, this doesn’t gainsay the drop in killer pollution from NG versus coal, but if GHG emissions continue to worsen, pollution will become the least of humanity’s problems.  Bill

    By Bill Sacks on 2013 07 06

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  • Great article.

    Does the fact that wind farms do more damage to landscapes than fracking platforms pass the irony test?

    I’ve learned through association that some activists are motivated more by the notoriety their activism brings than the actual subject of their activism. The endorphin release from a few minutes of fame becomes a mind closing addiction to some.

    Quick off-topic question ...why do some articles at this site not have comment fields? Comment fields are all important. Although you usually have to sift a lot of chaff to get to the wheat, they are the difference between a lay press newspaper lecture and a blog. I don’t trust articles that don’t have comment to point out problems, keep them honest. And that’s why I won’t read them or link to them.

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    By Russ Finley on 2013 07 07

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  • Bill,
    I’m in the middle of their Coal Killer report. It’s excellent reading so far. It addresses exactly the methane leakage you bring up. Estimates are being revised down significantly. The industry is also finding that the recapture of the methane is profitable.

    By Christopher Magliolo on 2013 07 14

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  • My website links to my compilation of “130 Electrical Energy Innovations”. I recommend that .1% of federal energy subsidies and research spending be focused on commercializing some of these new energy technologies. For example, the Micro-Fusion Reactor Employing Stable High-Density Plasma Electron Spiral Toroids in Neutron Tube could reliably generate electricity with capacities ranging from 10 kilowatts through 1000 megawatts at the cost of 10% of today’s electricity. All transportation vehicles could be reliably and safely powered with micro-fusion reactors with substantially lower production, operating and maintenance costs and without poisonous emissions.

    By Gary Vesperman on 2013 10 28

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  • No mês passado mostramos aqui na sessão Explore sua Cidade do blog os tesouros do passado que ainda resistem no Centro Histórico do Rio de Janeiro. Mas contamos que muito do patrimônio histórico e arqueológico da capital carioca se perdeu em meio às obras de modernização da cidade, numa amostra do descaso com a preservação da memória de nossa história. E isto não é exclusividade do Rio. Em São Paulo, que passou por um processo de crescimento e transformações muito mais acelerado que a antiga capital, é difícil encontrar vestígios de como era a cidade antes do intenso processo de urbanização e industrialização ocorrido desde o final do século 19.
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