DuPont science leader discusses 'Sustainability and Integrated Science for the 21st Century'
... To reduce global carbon-equivalent greenhouse gas emissions by 65 percent, using 1990 as a base year. The com...te Exchange have made a commitment to reduce their emissions of greenhouse gases by 4 percent below the average of their 1998-2001 baseline by 2006. Chowdhry, 54...A global 'catastrophe' -- coal fires threaten environment, human health
...to the panelists. "One way to deal with greenhouse emissions limits may be to stop coal fires," said Paul van Dijk of the International Institute for Geo-Information Science and Earth Observation (ITC), in the Netherlands. The effects of coal fires don't stop with the atmosphere. The release of toxic elements ...Tropical deforestation and global warming
...wide tropical deforestation and atmospheric carbon emissions were too high. In the February 14 issue of Science...ces hundreds of millions of tons of greenhouse gas emissions each year. "When you look at all these factors, you can't help but conclude that their numbers are t...Too little attention is paid to the side effects of emission-limiting measures
... emission of ammonia. However, lower nitrous oxide emissions are associated with an increased emission of metha... decrease in ammonia, nitrous oxide and/or methane emissions are less nitrogen in the feed, the more efficient use of artificial fertilisers and manure, and modi...Story tips from the Department of Energy's Oak Ridge National Laboratory, January 2003
...allira@ornl.gov ] ENVIRONMENT -- Analyzing diesel emissions . . . What's in diesel exhaust, and how does it i...ectrometer. Better engine development and reducing emissions are some of the projects of ORNL's National Transportation Research Center. [Contact: Marty Goolsby,...Rice develops nanosensor for precision chemical analysis
...e long known that they could boost the Raman light emissions from a sample by a million times or more by placing the sample next to small particles of metal called colloids. Scientists have even observed single molecules with this method, but they have never been able to precisely control the electromagnetic s...Amazon wildfires contribute to carbon problem
... dying two to three years later, increasing carbon emissions and causing further loss of Amazonian vegetation. Dr Barlow of UEA's School of Environmental Sciences found that many of the large, thicker-barked trees that survive up to two years following ground fires had died after three years, dramatically redu...Stretch of I-40 part of ORNL, UT environmental lab initiative
...ional Laboratory get a better handle on real-world emissions and their effects on the environment. Two meteorol...re, though, we're hoping to learn more about truck emissions during different operating conditions, all remotely so we won't interfere with traffic flow." Large ...Shifts in rice farming practices in China reduce greenhouse gas methane
...ces." Currently, about 8 percent of global methane emissions come from the world's rice paddies. In an effort ...d handle all the major factors relating to methane emissions from rice paddies. These factors included weather, soil properties, crop types and rotations, tillag...Agricultural science helping farmers reduce greenhouse gas
...hane accounts for about one-third of agriculture's emissions and comes largely from livestock," he added. "N20,...hat agriculture will be asked to help reduce these emissions and science can provide farmers with the tools to do it. One way is to store more carbon in soils. ...Prospect of greenhouse gas reduction drives biofuels market
...uel supply and the recognition that greenhouse gas emissions are causing global warming. In the US, the transportation sector is responsible for more than 70 percent of the petroleum consumed and one-third of the carbon dioxide emissions. Statistics are similar in Europe where a Commission to the European Par...Climate change surprise: High carbon dioxide levels can retard plant growth, study reveals
...cosystems will minimize the problem of fossil fuel emissions by transferring large amounts of carbon in the atm...in a serious discussion about action to reduce CO2 emissions from burning fossil fuels and clearing forests."...Science picksleads, feeds and story seeds (November 2002)
...ent to dealing with global climate change curbing emissions alone will not bring the natural carbon cycle into better balance. Carbon dioxide emissions are beginning to be traded as commodities, creating a new market sector. In the Prairie Pothole Reg...Scientists tackle the question: 'What will it really take to stop global warming?'
...ing global electric grids and geoengineering. CO2 emissions from fossil fuels trigger global warming by enhanc... engines appears promising in cutting down the CO2 emissions vehicles, the study demonstrates that the current process of producing the hydrogen required to powe...November GEOLOGY and GSA TODAY media highlights
...olcano flanks were relatively impermeable to fluid emissions and magmatic gasses from within the volcano itself. The most visible submarine effect of the eruption was physical rather than chemical--the mobilization of countless layers of lava shards from the volcano flanks, highlighting an under-appreciated mo...Duke ecologist's book offers hopeful view of Earth's plight
...ternational Kyoto Accords to reduce greenhouse gas emissions that cause global warming. The U.S. in 2001 "scotched nine years of negotiations by pronouncing the Kyoto Protocol 'dead,'" he wrote. As for the administration's reasons for rejecting the accords, including economic harm, Jackson wrote, "Never mind t...New study of Ground Zero air shows indoor spaces can be cleaned; diesel pollution remains a threat
... to cause lung cancer with prolonged exposure. The emissions from diesel engines also cause fine particle and o...ing on low-sulfur fuel and utilizing sophisticated emissions filters can have 90 percent less emissions than one that does not. New York City Transit is current...New Amazon forest monitoring team: RAINFOR
...he atmosphere equivalent to the annual fossil fuel emissions of the entire European Union, thus slowing the rate of global climate change. Climate change and forest fragmentation (Laurance et al. 2002), as well as surprising ecological changes such as newly reported increases in liana densities (Phillips et ...Future advances of 20,000-year-old coatings technology detailed in upcoming Science magazine
...rld for a painting system with lower environmental emissions (particularly volatile organic compounds, VOCs), i...ystem." For example, the goal of reducing solvent emissions of automotive paint took a major leap forward this year with the introduction of DuPont "Super Solid...Trees encroaching grasslands may lock up less carbon than predicted
... sequestering less human-caused atmospheric carbon emissions than predicted, concluded new research led by Duke...arbon stored from woody plant invasions to balance emissions may therefore be incorrect," Jackson and four co-authors wrote in the Aug 8, 2002 edition of the jou...