Sentences with phrase «generated by carbon dioxide»

Experts report that synthetic polymers in polyester are capable of emitting greenhouse gases in more than 300 times the amount generated by carbon dioxide.

Not exact matches

Poor nations are at present relatively minor contributors to the carbon dioxide generated by burning fossil fuels.
With two space shuttle launches per year, on average, that amounts to roughly 5 tons of carbon dioxide per month (by comparison, your average car generates about half a ton per month).
Most carbon emissions linked to human activity are in the form of carbon dioxide gas (CO2), but other forms of carbon include the methane gas (CH4) and the particles generated by such fires — the tiny bits of soot, called black carbon, and motes of associated substances known as brown carbon.
They show that 32 grams of carbon dioxide is emitted for each kilowatt - hour of electricity generated by the latest solar cells.
Originally, Cajuns merely exterminated these slugs as pests who preyed on spotted owls.This was done by ringing trees where the spotted owls roosted with Alka - Selzters, and when the slugs raced across the tablets, the carbon - dioxide gas generated by the interaction of the slime and the Alka - Seltzer would gas them to death.
Most electricity in the United States is generated at power plants that run on coal and natural gas — fossil fuels that contribute significantly to global warming by emitting large amounts of carbon dioxide.
When coal - and natural gas — fed plants produce ammonia, they generate two main by - products: heat and carbon dioxide (CO2).
Natural gas produces a quarter of the nitrogen oxides emitted by coal and half the carbon dioxide for every unit of electricity generated.
It produces no carbon dioxide exhaust emissions, and even when the CO2 released in generating the electricity used to charge its batteries is factored in, it is responsible for less than half the amount emitted by the «greenest» petrol cars.
That year the U.S. released 7.40 billion metric tons of carbon dioxide equivalent (CO2e), a measure of the global warming potential of any greenhouse gas in terms of the amount of warming generated by CO2.
Once there it will produce propellant on Mars itself, either by distilling carbon dioxide from the atmosphere and mixing it with hydrogen brought from Earth to generate methane and oxygen or by electrolyzing water from the permafrost to make liquid hydrogen and oxygen.
Their ultimate goal is to find ways to use solar energy — either directly or via electricity generated by solar cells — to convert the end products of hydrocarbon combustion, water and carbon dioxide, back into a carbon - based fuel.
-- Where carbon dioxide (or another greenhouse gas) generated by a covered entity is used as an input in the production of algae - based fuels, the Administrator shall ensure that emission allowances are required to be held either for the carbon dioxide generated by a covered entity that is used to grow the algae or for the portion of the carbon dioxide emitted from combustion of the fuel produced from such algae that is attributable to carbon dioxide generated by a covered entity, but not for both.
The process captures and sequesters the carbon dioxide and hydrogen sulfide generated naturally during biological methane production, accelerating renewable methane production rates by 10 percent to 30 percent while sequestering carbon dioxide.
This process generates ATP, with carbon dioxide as a by - product.
The ocean absorbs a third of carbon dioxide (CO2) generated by the burning of fossil fuels — a priceless «service» reducing global warming.
If hydrothermal chemical reactions are indeed responsible for the molecular hydrogen, that means the methane previously detected by Cassini might be generated from carbon dioxide (also detected by Cassini) through a reaction with hydrogen.
For example, carbon dioxide, the dominant form of carbon in the atmosphere and associated with climate change, is used by plants to generate energy via photosynthesis.
An international research team led by scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and Nanyang Technological University (NTU) in Singapore have developed a light - activated material that can chemically convert carbon dioxide into carbon monoxide without generating unwanted byproducts.
The microbes are able to live in such extreme conditions, researchers say, because they generate energy by combining carbon dioxide with hydrogen from rocks in the geothermal spring.
Carbohydrates generate more carbon dioxide than fat, and we eliminate excess carbon dioxide by breathing faster.
Participant, NativeEnergy and Warner Bros. partnered in a similar way on Stephen Gaghan's film, Syriana, where 100 % of the carbon dioxide emissions generated by the production were translated into investments into renewable energy.
Greenhouse gases (which prevent dispersal of heat generated by the planet's surface, after this receiving solar radiation) of higher concentration on Earth are carbon dioxide (CO2), methane (CH 4), nitrous oxide (N2O), Compounds of chlorofluorocarbon (CFC) and water vapor (H2O).
Aluminum - intensive vehicles would have to be driven 32 - 38 years to compensate for the additional volume of carbon dioxide (CO2) generated by producing the metal vs. ultra-light steel, according to a new Massachusetts Institute of Technology study released at the American Iron and Steel Institute's annual meeting in New York last week.
Quick progress in curbing emissions of carbon dioxide, the main human - generated greenhouse gas, could be achieved by using capital from rich countries to help prevent the destruction of tropical forests (and resulting greenhouse - gas emissions), Mr. Gore said.
As the post explains, Broecker's 1975 paper appears to have been the first in the scientific literature to use the term «global warming» to describe climate change driven by the buildup of human - generated carbon dioxide.
In part, my article, «How We Ran Out of Airtime,» considers the current human - generated carbon dioxide buildup in relation to a tumultuous period of atmospheric disruption triggered by another life form some 2.4 billion years ago.
So if the world moves toward a system for tracking emissions, who is responsible for a particular batch of carbon dioxide — the company that mined and sold the coal, the power plant that burned it, the consumer who buys the exported widget made with the electricity generated by that combustion, or...?
According to analysis by the Los Angeles Business Council, the new solar program will create over 4,500 jobs, generate $ 500 million in economic activity, and offset 2.25 million tons of carbon dioxide emissions by 2016.
Primarily this means carbon dioxide, methane and nitrous oxide generated by driving motor vehicles and burning coal, oil and gas to generate electricity,...
When completed the electricity generated by the Tomlin's hydro scheme could displace an equal amount of power currently generated by coal in Victoria and save up to two thousand tonnes of the greenhouse gas carbon dioxide from going into the atmosphere each year.
Hydrogen is not so much a fuel as a form of storage, holding energy generated by electricity and then releasing it without producing carbon dioxide, the gas thought to be responsible for half of global warming.
Also, the ocean contributes in generating food and oxygen for human being and fighting against climate change by absorbing 93 percent of the carbon dioxide released by human activities.
The myth that carbon dioxide generated by the use of fossil fuels will result in higher global temperatures.
We already know we are putting too much heat - trapping carbon dioxide (CO2) into the air when we burn fossil fuels to generate electricity, fuel our cars, and heat our homes — but by cutting down and burning trees, we are also releasing an astounding amount of the same heat - trapping carbon dioxide into the atmosphere.
-- The qualifying emissions for a merchant coal unit for a given calendar year shall be the product of the number of megawatt hours of merchant coal unit sales generated by such unit in such calendar year and the average carbon dioxide emissions per megawatt hour generated by such unit during the base period under paragraph (2), provided that the number of megawatt hours in a given calendar year for purposes of such calculation shall be reduced in proportion to the portion of such unit's carbon dioxide emissions that are either --
-- Where carbon dioxide (or another greenhouse gas) generated by a covered entity is used as an input in the production of algae - based fuels, the Administrator shall ensure that emission allowances are required to be held either for the carbon dioxide generated by a covered entity that is used to grow the algae or for the portion of the carbon dioxide emitted from combustion of the fuel produced from such algae that is attributable to carbon dioxide generated by a covered entity, but not for both.
While the world has been preoccupied with reducing carbon dioxide in the atmosphere, which is generated by burning fossil fuels, sulphur dioxide emissions have not received the same attention.
Overall, the carbon dioxide emissions generated by exported goods and services from developing countries rose by 46 percent between 2004 and 2011, and emissions generated by South - South trade grew more quickly than emissions generated by exports to developed countries.
(5) Complete combustion of 1 short ton (2,000 pounds = 909 kg) of this coal will generate about 5,720 pounds (= 2.86 short tons = 2600 kg) of carbon dioxide» To convert CO2 mass to C mass, multiply by 0.25; 1000 kg of CO2 = 250 kg of elemental carbon.
A 2007 study by Susan Page of the University of Leicester found that one ton of palm oil produced on peatland generates 15 to 70 tons of carbon dioxide, largely the result of deforestation and draining of peatlands, making palm oil - based - biofuels produced by peatlands conversion worse for climate than burning of conventional fossil fuels.
(Revised September 23, 2016 by addition of a new final section by Dr. James Wallace) As discussed in my book, Environmentalism Gone Mad, two of the reasonable inferences from the Catastrophic Anthropogenic Global Warming (CAGW) hypothesis (the scientific basis for the world climate scare pushed by the United Nations and the Obama Administration) are that atmospheric carbon dioxide (CO2) levels should affect global temperatures, and that the resulting heat generated should be observable by a hot spot about 10 km over the tropics.
The rise of shale gas has had an environmental benefit as well — greatly reduced carbon dioxide emissions, because generating electricity by burning natural gas emits less than half as much carbon dioxide as burning coal.
The world's climate is way too complex... with way too many significant global and regional variables (e.g., solar, volcanic and geologic activity, variations in the strength and path of the jet stream and major ocean currents, the seasons created by the tilt of the earth, and the concentration of water vapor in the atmosphere, which by the way is many times more effective at holding heat near the surface of the earth than is carbon dioxide, a non-toxic, trace gas that all plant life must have to survive, and that produce the oxygen that WE need to survive) to consider for any so - called climate model to generate a reliable and reproducible predictive model.
The proposed restrictions, unveiled by officials at the Environmental Protection Agency, would apply only to new fossil - fuel - burning power plants — limiting them to no more than 1,000 pounds of carbon dioxide emissions per megawatt generated.
The wind farms could generate up to 800MW of electricity and an annual output of 2.6 - megawatt hours, which would power around 554,000 homes and prevent one million tonnes of carbon dioxide being generated by fossil fuel power.
This indicates that replacing missing iron back into the ocean could stimulate phytoplankton based photosynthesis and generate improvements to the ocean ecosystem, while removing carbon dioxide from the atmosphere as it is consumed by photosynthesis.
The plant, comissioned by local beverage company Froico SA, is expected to save around 2m tonnes of carbon dioxide emissions over its projected 25 - year lifetime and reduce the French overseas territory's dependence on oil, gas and coal, which generate the majority of its power today.
Climate change and ocean acidification are both largely caused by the release of the greenhouse gas carbon dioxide, much of which comes from the burning fossil fuels to generate electricity.
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