We cannot meet this challenge unless all the largest emitters of greenhouse gas pollution act together.
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Of these, Alaska, California, Maryland, and Massachusetts had adaptation plans as well as greenhouse gas pollution reduction plans.
Oil sands projects are the fastest-growing source of greenhouse gas pollution in Canada.
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Production of oil from tar sands bitumen produces between three and five times the greenhouse gas pollution of conventional oil production.
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The Environmental Protection Agency's announcement contains the simple assertion that greenhouse gas pollution is a serious problem now and for future generations.
Arkansas, Iowa, Missouri, Montana, Texas, and Utah do have greenhouse gas pollution reduction plans, and Utah also has the more stringent greenhouse gas reduction target.
The Environmental Protection Agency (EPA) and the Department of Transportation (DOT) have formally announced their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for model year 2017-2025 passenger cars and light-duty trucks.
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The Executive Order commits Federal agencies to lead by example toward a clean energy economy, and sets targets to reduce greenhouse gas pollution, increase energy efficiency, reduce fleet petroleum consumption, conserve water, reduce waste, support sustainable communities, and leverage Federal purchasing power to promote environmentally-responsible products and technologies.
It burns cleaner than regular gas, reducing pollution from exhaust.
One such project is in the sprawling Indian city of Ahmedabad, where a fleet of buses running on compressed natural gas is reducing air pollution.
The authors say a higher limit could increase gas emissions and air pollution and could lead to increased obesity, with more people taking advantage of shorter car journeys.
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In some places, the practice has been blamed for air pollution and gas leaks that have ruined well water, but the Obama administration and many state regulators say the practice is safe when done properly.
In some places, the practice has been blamed for air pollution and gas leaks that have ruined well water, but President Barack Obama's administration and many state regulators say the practice is safe when done properly.
The flex-fuel engine--prized because it uses a renewable resource that reduces dependency on traditional gasoline--on the Cherokee was even worse: three out of 10 and one out of 10 for the air pollution and gas emissions, respectively.
Ertel, who got his start trading natural gas and more-established pollution credits (such as for sulfur dioxide), isn't spooked by uncertainty.
Contrary to images of "going back to the Stone Age, " this form of energy efficiency actually increases the levels of illumination (and thus literacy), while trimming greenhouse gas emissions, indoor air pollution and energy bills that mire the poor in poverty.
In two of the most heavily drilled states in the U.S., there is no sign natural gas development has caused harmful air pollution.
Environmentalists say public knowledge of the chemicals can help landowners near oil and gas projects know what types of pollution to test for in their groundwater.
The group notes that old and new energy sources have both promise and risk for society and nature, since natural gas and wind energy produce less pollution than coal.
After suffering a punishing year because of low natural gas prices, the wind power industry is keeping close watch on the prospect that water pollution from hydraulic fracturing may lead to regulation of shale gas drilling.
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The Department of Energy is releasing supplies from the nation's Strategic Petroleum Reserve to limit disruptions of supplies to oil refineries, which "will help take some pressure off of gas prices, " and the Environmental Protection Agency has waived rules requiring low-pollution blends in some areas in order to increase availability of gas and diesel, he said.
EPDs show shoppers key facts like greenhouse gas emissions generated, water consumption, and pollution impact.
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There have been documented cases of leaking gas ruining nearby well water, of air pollution and of problems from the waste the drilling generates.
Health experts say coal-burning power plants produce far more pollution linked to respiratory health problems than natural gas-fired plants produce.
With its desire to clean up air pollution, China could consume as much natural gas as the entire European Union by 2035, according to the report.
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"With proper regulation and enforcement, gas provides a very substantial health benefit in reducing air pollution, " compared with coal-fired power plants, said Daniel Schrag, director of Harvard University's Center for the Environment.
Producing shale gas uses lots of energy and water, and can cause pollution in several ways.
It scored a paltry three out of 10 for air-pollution ratings and two out of 10 for greenhouse gas emissions.
The EPA last year issued the first-ever standards to control smog- and soot-forming gases from gas wells site, and updated existing rules to reduce cancer-causing pollution, such as benzene, from other equipment.
Although widespread pollution of groundwater by fracking seems unlikely (shales that hold gas typically lie far deeper than groundwater supplies), such risks have raised a great deal of environmental concern about the technology.
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