Sentences with phrase «less carbon dioxide for»

As a result, small - scale sustainable farms have been found to emit between one - half and two - thirds less carbon dioxide for every acre of production.
Another automotive engine technology that gets better mileage than standard internal - combustion power plants and hence, produces less carbon dioxide for each mile driven, is the gasoline - electric hybrid, which marries a gasoline engine with electric motors.
Another technology that gets better mileage than standard engines, and hence produces less carbon dioxide for each mile driven, is the gasoline - electric hybrid, which marries a gasoline engine with electric motors.

Not exact matches

Natural gas is primarily composed of methane, a greenhouse gas that is more potent than carbon dioxide, but remains in the atmosphere for less time.
Industrialized countries with less than a quarter of the world's population are responsible for about three - quarters of the carbon dioxide released by burning fossil fuels.
Hansen's assessment is simple: we need, as a planet, to be emitting less carbon dioxide inside of ten years — an enormous task given that China and India are finally beginning to use power in appreciable quantities (and not for luxuries but for the second light bulb or first refrigerator in a house).
The figure estimates 4.2 tons less of carbon dioxide emissions each year for each truck.
For comparison's sake, potatoes have a carbon cost of less than 2 kg of carbon dioxide per kilogram produced.
Instead, the Administration's plans for energy conservation and using energy sources with less CO2 emission will help in the short - term, he said; down the road, a new National Climate Change Technology Initiative will help develop cutting - edge technologies such as fuel cells and carbon dioxide sequestration, Bush said.
«When taking into account that production of the far smaller batteries of plug - in hybrids is associated with less carbon dioxide emissions than production of the larger batteries of electric vehicles, their carbon dioxide balance is even better,» says Patrick Jochem of KIT's Institute for Industrial Production.
In a fossil fuel - fired generator, this means less carbon dioxide emissions for the same unit of electricity produced.
For example, carbon dioxide is less soluble in water in a warmer climate.
It produces less carbon dioxide emissions than coal for electricity or gasoline and diesel for fuel, but even a small amount of natural gas release — which is essentially methane — packs a greenhouse gas punch about 30 times more powerful than the same amount of carbon dioxide.
EUROPE»S plans for tackling global warming by driving down emissions of carbon dioxide may have backfired in Germany, where they have encouraged energy companies to build coal - fired power stations instead of gas - fired stations, which emit less CO2.
In its annual analysis of trends in global carbon dioxide emissions, the Global Carbon Project (GCP) published three peer - reviewed articles identifying the challenges for society to keep global average warming less than 2 °C above pre-industrial levels.
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.
Although ponds less than a quarter of an acre in size make up only 8.6 % of the surface area of the world's lakes and ponds, they account for 15.1 % of carbon dioxide (CO2) emissions and 40.6 % of diffusive methane (CH4) emissions.
Millet is a so - called C4 plant, which has a very efficient photosynthetic system for capturing carbon dioxide, whereas most other plants that grow in northern China are less efficient C3 plants.
But if people were better at using less electricity, which accounts for 38 percent of carbon dioxide emissions in the United States, the potential for reducing emissions would be huge.
The assessments shall reflect the relative carbon dioxide emission rates of different fossil fuel - based electricity, and initially shall be not less than the following amounts for coal, natural gas, and oil:
That was because their warming effect is less straightforward than for carbon dioxide.
To stick within the two degree target, this means the budget for carbon dioxide emissions ends up being less than the original 1000 billion tonnes.
For it to remain likely that we stay below two degrees, the total amount of carbon released through carbon dioxide emissions must be less than 1000 billion tonnes, the IPCC says.
When you account for these factors, corn ethanol — currently the most widely produced biofuel in the United States — generates about 43 percent less carbon dioxide than gasoline.
So more carbon dioxide means less carbonates for shell building by swimming snails and other creatures.
For instance, team member Linda Sohl used the GISS 3D model to see whether Earth circa 715 million years ago, with less carbon dioxide in the air, would be fully or partially covered in ice.
In a laboratory experiment, scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel showed that younger animals already eat less and grow more slowly at only slightly elevated carbon dioxide concentrations.
Because everyone in this global community will be affected by climate change, it will be for our own benefit if we manage to reduce carbon dioxide emissions in such a way that global warming is limited to less than 2 degrees Celsius», says Prof. Ulf Riebesell, marine biologist at GEOMAR Helmholtz Centre for Ocean Research Kiel and coordinator of BIOACID.
The general consensus among scientists is that the young Earth's atmosphere contained much larger quantities of greenhouse gases (such as carbon dioxide and / or ammonia) than are present today, which trapped enough heat to compensate for the lesser amount of solar energy reaching the planet.
European carmakers have invested heavily in diesel engines, which produce less carbon dioxide but more of other pollutants blamed for causing respiratory disease than petrol engines.
Researchers at Stanford University who closely track China's power sector, coal use, and carbon dioxide emissions have done an initial rough projection and foresee China possibly emitting somewhere between 1.9 and 2.6 billion tons less carbon dioxide from 2008 to 2010 than it would have under «business as usual» if current bearish trends for the global economy hold up.
With human carbon dioxide production accounting for less than 3 % of the earth's total natural carbon dioxide production it is ludicrous to think any small reduction we might make would be perceptible — Remember going back to the old stone age before mankind had fire (when the climate was warmer than it is now) would result in a less than 3 % reduction in carbon dioxide production.
... In the U.S. electricity supply sector, the cost benchmark for reducing carbon dioxide emissions lies with substitution of natural gas for coal, especially older, less efficient units.
Salter water can hold less carbon dioxide (6.5 ppm less for a 3 % increase in salt content).
For decades, it has been a given that heavy rainfall on steep mountain slopes is likely to chemically weather the exposed rock and precipitate a chemical reaction that ends with carbonate minerals on the ground and with less of the greenhouse gas carbon dioxide in the atmosphere.
It would also mean the damages resulting from carbon dioxide emissions would be less for every ton of CO2 emitted (~ 20 tons of CO2 annually per capita in the US).
Decarbonizing the world's electricity supply,... would deliver a little less than half the reduction in carbon dioxide emissions necessary by 2035 to limit the eventual increase in global temperatures to two degrees Celsius,... The carbon intensity of electricity has increased by 6 % since 1990, largely due to growing use of coal for power generation in emerging economies, it said.
EPA is not even requiring reporting of greenhouse gas emissions for sources emitting less than 25,000 tons of carbon dioxide annually.
Late in October, California Governor Jerry Brown threatened to sue the administration of President Donald Trump for implementation of environmental policies focused more on real pollutants (e.g., heavy metals) and less on contrived ones (e.g., carbon dioxide from fossil fuel combustion.
The bill would limit emissions for plants that come online between 2009 and 2014, and new plants permitted after Jan. 1, 2015 would need to emit less than 1,100 pounds of carbon dioxide per megawatt - hour of output.
[12] In fact, using the Model for the Assessment of Greenhouse Gas Induced Climate Change developed by researchers at the National Center for Atmospheric Research, even if all carbon dioxide emissions in the United States were effectively eliminated, there would be less than two - tenths of a degree Celsius reduction in global temperatures.
As this trend has gathered pace, more than 100 of the best - known organisations in the UK, many of them charities, have joined together to support the Fit for the Future Network, which has the simple aim of sharing expertise on ways of using less energy and cutting carbon dioxide use.
For example, as atmospheric concentrations of CO2 increase, every tonne of carbon dioxide has less of an effect on warming (the strongest absorption bands are already saturated).
HERE is a poll by the IGM of their Economic Experts Panel on a carbon tax; the question posed was: «A tax on the carbon content of fuels would be a less expensive way to reduce carbon - dioxide emissions than would a collection of policies such as «corporate average fuel economy» requirements for automobiles».
Indeed, the FAR widened the likely range of temperature increase for a doubling of carbon dioxide in the atmosphere from the previous assessment, indicating greater uncertainty, not less, about this issue.
New and refurbished coal - fired power plants will not be eligible for funding unless they emit less than 550 grams of carbon dioxide per kilowatt - hour (gCO2 / kW), which could be met either by a combined heat and power plant or one that also burns biomass.
I also found it interesting to see the less than strident call for abatement of carbon dioxide emissions at the time those papers were published.
-- If the Administrator determines that domestic offset credits available for use in demonstrating compliance in any calendar year at domestic offset prices generally equal to or less than emission allowance prices, are likely to offset less than 0.9 billion tons of greenhouse gas emissions (measured in tons of carbon dioxide equivalents), for purposes of compliance demonstration in that year the Administrator shall --
Although it is far less abundant than carbon dioxide and stays in the air for only a decade or so, molecule for molecule its warming effect (calculated over 100 years) is 25 times higher.
Recent studies have separately warned that high levels of carbon dioxide, or CO ₂, make crops less nutritious for reasons that are not totally clear, and put shellfish and other key parts of the food chain at risk by making oceans more acidic.
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