Featured Research

from universities, journals, and other organizations

All The Carbon Counts: Including Land-based Carbon In Greenhouse Gas Control Strategies Lowers Costs And Preserves Forests

Date:
June 4, 2009
Source:
DOE/Pacific Northwest National Laboratory
Summary:
Cutting down forests for agriculture vents carbon dioxide into the air just as industries and fossil fuel burning does. But policymakers debate whether to include terrestrial carbon in plans to stabilize atmospheric greenhouse gases. A new study suggests that failing to include land use changes could lead to massive deforestation and higher costs for limiting carbon emissions. Also, improvements to agricultural technology could be as important as for energy in a carbon-limited future.

Policies that turn forests into valuable carbon storage units would likely preserve forests and lower costs of cutting atmospheric carbon dioxide.
Credit: Image courtesy of DOE/Pacific Northwest National Laboratory

Cutting down forests for agriculture vents excess carbon dioxide into the air just as industrial activities and the burning of fossil fuels do. But whether policies to stabilize greenhouse gases in the atmosphere should include this terrestrial source of carbon dioxide is under debate.

According to a new study this week in Science, failing to include land use changes in such policies could lead to massive deforestation and higher costs for limiting carbon emissions.

The results also suggest improved agricultural technology will be as important as new energy technologies in a carbon-limited future.

To understand the effects of economic forces from climate policy on terrestrial carbon and land use changes, researchers with the Joint Global Change Research Institute in College Park, Md., a collaboration between the Department of Energy's Pacific Northwest National Laboratory and the University of Maryland, used an integrated assessment model called MiniCAM to compare different scenarios. This computer model incorporates economics, energy, agriculture, land-use changes, emissions and concentrations of greenhouse gases in order to understand the way that human decisions interact with natural processes that control climate.

For this study, the researchers set the highest concentration that carbon dioxide could reach. Then they compared two ways to stay within that limit: in one, they taxed terrestrial carbon emissions and industrial and fossil fuel emissions all at the same rate. In the other, they only taxed emissions from industry and fossil fuels.

Ignoring terrestrial carbon led to nearly complete loss of unmanaged forests by 2100, largely as a result of massive expansions of bioenergy crops -- those planted to reduce the use of fossil fuels -- replacing forests. However, placing a value on terrestrial carbon emissions led to increased forest cover, while bioenergy still expanded considerably compared to today.

"When society tries to limit carbon dioxide concentrations, if terrestrial carbon emissions aren't valued but fossil fuel and industrial emissions are, economic forces could create very strong pressures to deforest," said PNNL scientist Marshall Wise, the study leader.

In addition, the cost to reduce global emissions in a world that valued terrestrial, fossil fuel, and industrial sources dropped to half that of the world in which only fossil fuel and industrial entities paid to emit carbon. This suggests that storing carbon in forests, agricultural areas, and other ecosystems is an important and cost-effective part of a bigger carbon dioxide emissions control strategy that includes dramatic changes to the global energy system.

This study also shows that continual improvement in agricultural crop productivity for crops like corn, wheat, barley, and rice will be required to best make use of limited cropland. This suggests improvements to agriculture technology could be as important as improvements to energy technology in controlling carbon emissions.

"If society wants to stabilize carbon dioxide concentrations at low levels, then we can't ignore the two thousand billion tons that are out there in terrestrial systems," said PNNL economist James Edmonds at the JGCRI.

This research was supported by the Office of Biological and Environmental Research within the Department of Energy's Office of Science, and the Electric Power Research Institute.


Story Source:

The above story is based on materials provided by DOE/Pacific Northwest National Laboratory. Note: Materials may be edited for content and length.


Journal Reference:

  1. M. Wise, K. Calvin, A. Thomson, L. Clarke, B. Bond-Lamberty, R. Sands, S. J. Smith, A. Janetos, J. Edmonds. Implications of Limiting CO2 Concentrations on Land Use and Energy. Science, 2009; DOI: 10.1126/science.1168475

Cite This Page:

DOE/Pacific Northwest National Laboratory. "All The Carbon Counts: Including Land-based Carbon In Greenhouse Gas Control Strategies Lowers Costs And Preserves Forests." ScienceDaily. ScienceDaily, 4 June 2009. <www.sciencedaily.com/releases/2009/05/090528142817.htm>.
DOE/Pacific Northwest National Laboratory. (2009, June 4). All The Carbon Counts: Including Land-based Carbon In Greenhouse Gas Control Strategies Lowers Costs And Preserves Forests. ScienceDaily. Retrieved October 20, 2014 from www.sciencedaily.com/releases/2009/05/090528142817.htm
DOE/Pacific Northwest National Laboratory. "All The Carbon Counts: Including Land-based Carbon In Greenhouse Gas Control Strategies Lowers Costs And Preserves Forests." ScienceDaily. www.sciencedaily.com/releases/2009/05/090528142817.htm (accessed October 20, 2014).

Share This



More Earth & Climate News

Monday, October 20, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Hey, Doc! Sewage, Beer and Food Scraps Can Power Chevrolet’s Bi-Fuel Impala

Hey, Doc! Sewage, Beer and Food Scraps Can Power Chevrolet’s Bi-Fuel Impala

3BL Media (Oct. 20, 2014) Hey, Doc! Sewage, Beer and Food Scraps Can Power Chevrolet’s Bi-fuel Impala Video provided by 3BL
Powered by NewsLook.com
White Rhino's Death In Kenya Means Just 6 Are Left

White Rhino's Death In Kenya Means Just 6 Are Left

Newsy (Oct. 20, 2014) Suni, a rare northern white rhino at Ol Pejeta Conservancy, died Friday. This, as many media have pointed out, leaves people fearing extinction. Video provided by Newsy
Powered by NewsLook.com
Beijing Marathon Runners Brave Hazardous Air Pollution

Beijing Marathon Runners Brave Hazardous Air Pollution

AFP (Oct. 19, 2014) Tens of thousands of runners battled thick smog at the Beijing Marathon on Sunday, with some donning masks as the levels of PM2.5 small pollutant particles soared to 16 times the maximum recommended level. Duration: 00:54 Video provided by AFP
Powered by NewsLook.com
As Sweden Hunts For Sub, "Cold War" Comparisons Flourish

As Sweden Hunts For Sub, "Cold War" Comparisons Flourish

Newsy (Oct. 19, 2014) With Sweden on the look-out for a suspected Russian sub, a lot of people are talking about the Cold War, but is it an apt comparison? Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins