Sentences with phrase «main greenhouse gas»

Emissions of main greenhouse gases across the RCPs.

Such activities produce two other main greenhouse gases: methane and nitrous oxide.

«The last time the concentration of Earth's main greenhouse gas reached this mark, horses and camels lived in the high Arctic.

Emissions of carbon dioxide, the main greenhouse gas, rose by an average of 0.73 percent for every 1 percent growth in gross domestic product (GDP) per capita, Richard York of the University of Oregon wrote in his report.

Carbon dioxide is the main greenhouse gas, accounting for 84 per cent of all emissions.

Ultimately, if steel could be produced by such a process, it could have a major impact, because «steel - making is the number one source of anthropogenic carbon dioxide,» the main greenhouse gas, Sadoway says.

Global carbon dioxide emissions from burning fossil fuels will rise to a record 36 billion metric tons (39.683 billion tons) this year, a report by 49 researchers from 10 countries said, showing the failure of governments to rein in the main greenhouse gas blamed for global warming.

That's because carbon dioxide — the main greenhouse gas driving climate change — is plant food.

The report provides updated results on the continuous monitoring of the three main greenhouse gases: carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O).

But new research shows that reducing the main greenhouse gas behind it may be even more difficult than previously believed.

Britain, along with most other nations, agreed to stabilise emissions of carbon dioxide, the main greenhouse gas, at 1990 levels by the year 2000.

LONDON — Plankton, tiny marine organisms, are a good way of cleansing the atmosphere of one of the main greenhouse gases, carbon dioxide.

«Our study is about how a whole forest ecosystem consumes and produces carbon dioxide, or CO2, the main greenhouse gas linked to human - induced climate change,» says Wehr, a research associate in Saleska's lab in the UA's Department of Ecology and Evolutionary Biology.

The outcome depends on how much more carbon dioxide, a main greenhouse gas, human activities (such as burning coal and oil) dump into the atmosphere.

While carbon dioxide is the main greenhouse gas resulting from human activity, it's not the only thing causing the atmosphere to warm.

Global warming will end, and the four harmful positive feedback cycles mentioned above will reverse: (1) glaciers will stabilize, (2) oceans will stop rising, (3) our atmosphere's main greenhouse gases (CO2 and water vapor) will steadily decline, and (4) forest fires costing billions of dollars each year will diminish.

The ammonia is washed away, creating a major environmental issue as it leads to eutrophication of water ways and ultimately enters the atmosphere as nitrogen dioxide, the main greenhouse gas associated with agriculture.

But the annual amount of human - caused global emissions of carbon dioxide, the main greenhouse gas driving climate change, is now about 50 percent larger than in 1992.

The models are actually completely ecumenical about reasons for climate changes — they will change their climate as a function of volcanoes, the sun, aerosol pollution, deforestation, ozone depletion as well as the main greenhouse gases.

The food we throw away, the homes we live in and the cars we drive all emit carbon dioxide emissions — the main greenhouse gas that causes climate change.

Yet we have already poured so much carbon dioxide, the main greenhouse gas, into the atmosphere that huge, threatening changes to the world's climate appear to be inevitable.

The second example demonstrated that, out of 100 people, about 80 percent of them correctly identified the main greenhouse gas (76 % effect from CO2 plus 4 more people who identified water vapor).

Mr. Obama endorsed a system to cap and trade carbon dioxide, the main greenhouse gas, during his election campaign.

Carbon dioxide (CO2) is the main greenhouse gas, and is the leading cause of global warming.

She asked him to explain his dissent in the 2007 case in which the Supreme Court ruled that the Environmental Protection Agency had the authority to regulate carbon dioxide, the main greenhouse gas emitted by human activities, as a pollutant under the Clean Air Act.

Specifically, how much will temperatures rise if the concentration of the main greenhouse gas of concern, carbon dioxide, doubles from the level of 280 parts per million that prevailed as the industrial revolution got into gear in the 19th century and was not exceeded for hundreds of thousands of years prior to that.

The Senate is voting after hours of statements for and against a resolution by Senator Lisa Murkowski, the Republican of Alaska, that would take away the authority of the Environmental Protection Agency to use the Clean Air Act to restrict emissions of carbon dioxide, the main greenhouse gas linked by scientists to global warming.

The scientists find much merit in pursuing further research on both, but only see practical prospects for capturing and storing carbon dioxide, the main greenhouse gas emitted by human activities.

How can a party platform omit any characterization of global warming and CO2 as a problem while urging businesses to develop a technology with no purpose other than sopping up the main greenhouse gas emission raising the planetary thermostat?

In the document, Carlson states that the «greenhouse effect» may be one of the most significant environmental issues of the 1990's and that the main greenhouse gases are by - products of fossil fuels.

(Although methane may be a more potent heat - trapper, carbon dioxide is still the main greenhouse gas of concern because there is much more of it in the atmosphere.)

The main greenhouse gas for the present climate is water vapour.

The three main greenhouse gases are: carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O)(Bonneau et al., 1998).

The main greenhouse gases (GHG) emitted from dairy farming are methane and nitrous oxide.

A United Nations scheme intended to guarantee everyone access to clean energy could help to keep global temperature rise below 2 °C, researchers say, although it would not achieve this without sharp cuts in emissions of all the main greenhouse gases.

Algae absorb the main greenhouse gas carbon dioxide as they grow, so the net effect on global warming of the fuel is considered to be neutral.

Burning fossil fuels sends carbon dioxide, the main greenhouse gas, on a one - way trip.

● Saturation of CO2 greenhouse effect by water vapor that is actually the main greenhouse gas, responsible for 90 % of the total greenhouse effect.

It goes like this: Trees absorb carbon dioxide (the main greenhouse gas) as they grow, in fact, about half of the dry weight of wood is this absorbed carbon.

It develops whenever any type of fossil fuel is burned and therefore represents the main greenhouse gas created during engine combustion.