Sentences with phrase «of main greenhouse gases»

They consisted of hypothesised future concentrations of the main greenhouse gases - CO2, CH4, CFCs etc. together with a few scattered volcanic eruptions.

Emissions of main greenhouse gases across the RCPs.

They represent possible future concentrations of the main greenhouse gases.

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

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.

NEW YORK (Reuters)- Global emissions of the main greenhouse gas carbon dioxide will jump more than 39 percent by 2030 without new policies and binding pacts to cut global warming pollution, the top U.S. energy forecast agency said on Wednesday.

Not exact matches

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.

The main subjects in the category this year include disclosure of greenhouse gas emissions, risk management disclosure related to energy production and carbon accounting.

Its authors state the case explicitly — «Agriculture, through meat production, is one of the main contributors to greenhouse gases and thus has a potential impact on climate change» — and anticipate that it will take «a long campaign... and incentives to meat producers and consumers» to change what and how we eat.

These resources provide an overview of the greenhouse gas effect, lists the 6 main gases that make up GHG emissions, defines terminology and provides an outlook on world energy supplies.

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

Despite the rise in carbon dioxide emissions, the main «basket» of greenhouse gases are down overall, with the «big six» 15 per cent below the base year.

The main cause of climate change is greenhouse gas emissions from fossil fuels (coal, oil and natural gas), which trap heat in the atmosphere and warm the planet.

Some climate experts argue that the finding undermines the main criticism of scientists who contend that greenhouse gases are not warming the planet.

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.

What happens to the ozone layer in the second half of the 21st century will largely depend on concentrations of CO2, methane and nitrous oxide — the three main long - lived greenhouse gases in the atmosphere.

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.

While a strong El Niño provided a boost to global temperatures last year, the main driver of the planet's temperature surge, as well as other climate trends, is the warming caused by the buildup of greenhouse gases in the atmosphere.

A few of the main points of the third assessment report issued in 2001 include: An increasing body of observations gives a collective picture of a warming world and other changes in the climate system; emissions of greenhouse gases and aerosols due to human activities continue to alter the atmosphere in ways that are expected to affect the climate; confidence in the ability of models to project future climate has increased; and there is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities.

• The main component of natural gas, methane, is a more potent greenhouse gas than carbon dioxide.

The 80 minutes of occasionally spirited argument at the high court this morning focused on the two main issues in the greenhouse gas litigation: For the case to go forward, the plaintiffs must prove that the case has legal standing (they must show that the court is the right venue for resolving this dispute), and that the common law definition of nuisance can support suits over greenhouse gases.

A U.N. panel of scientists says it is at least 90 percent probable that manmade greenhouse gases are the main cause of recent warming, rather than natural variations.

It will spur clean energy investments and more energy - efficient technologies by doing so, and right now, carbon dioxide — the main man - made greenhouse gas warming the atmosphere — is the only type of greenhouse gas capped in the Chinese program.

«Tailpipe emissions are the main source of greenhouse gases from cars that use fossil fuels,» explained Anthony Shaw, a transport program specialist at the Intelligent Transportation Society of America, a nonprofit research organization.

All three rules, which together form the main thrust of the Obama administration's unprecedented effort to curb greenhouse gas emissions, will now be released «midsummer,» McCabe said.

«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.

Upper ocean temperatures have warmed significantly in most regions of the world over recent decades, with anthropogenic greenhouse gas forcing very likely being the main contributor21.

While a strong El Niño has given global temperatures a boost, the main reason for the spate of intensely warm months is the long - term warming of the planet caused by the accumulation of heat - trapping greenhouse gases in the atmosphere, scientists have found.

It will also be the warmest year on record, primarily because of anthropogenic emissions of greenhouse gases, with CO2 being the main culprit,» Ed Hawkins, a climate scientist at the University of Reading, said in an email.

«Due to its large volume and surface area, the biogeochemical processes in the ocean are the main control on the levels of CO2 and other greenhouse gases in the atmosphere,» Buchanan said.

Agricultural soils and the urine deposited by grazing animals are the main source of nitrous oxide Read more about Greener pastures reduce greenhouse gas emission - Scimex

The main research themes include greenhouse gas concentrations and ecosystem — atmosphere fluxes, the climate effects of atmospheric aerosols, aerosol — cloud interactions and air quality.

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.

After each of its four reports so far — including the pivotal 2007 assessment that concluded with 90 percent confidence that greenhouse gases from humans were the main force behind recent warming --- the panel leadership has met to consider changing how it works.

So far, humanity's main climate intervention, through emissions of vast amounts of greenhouse gases, has been an unintended consequence of pursuing the most convenient energy choice — fossil fuels.

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).

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.

In turn, it is time to focus on the main problem: The I.P.C.C. reports have underestimated the pace of climate change while overestimating societies» abilities to curb greenhouse gas emissions.

Emissions of the main human - generated greenhouse gas are surely tracking the reversal in electricity output, given that the vast majority of the country's electricity comes from burning coal.

The new paper on clouds is from Andrew Dessler of Texas A&M University, and offers a challenge to the conclusions about clouds in a recent paper in the Journal of Geophysical Research co-authored by Roy Spencer of the University of Alabama, Huntsville, whose blog is his main public face these days, along with the occasional news conference organized by foes of restrictions on greenhouse gases.

-- For the moment, it's not cheap to move away from the fuels of convenience, coal and oil, that when burned are the main source of human - generated greenhouse gases.

The three main sections describe planned regulations, rules and standards aimed at cutting releases of carbon dioxide and other greenhouse gases from power plants, heavy vehicles and buildings; a suite of new steps to cut vulnerability to climate and coastal hazards; and a fresh summary of international initiatives the administration plans to pursue with other countries.

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

That measure, and the growing human influence on the climate through the buildup of long - lived greenhouse gases are the main source of concern, they wrote:

pg xiii This Policymakers Summary aims to bring out those elements of the main report which have the greatest relevance to policy formulation, in answering the following questions • What factors determine global climate 7 • What are the greenhouse gases, and how and why are they increasing 9 • Which gases are the most important 9 • How much do we expect the climate to change 9 • How much confidence do we have in our predictions 9 • Will the climate of the future be very different 9 • Have human activities already begun to change global climate 9 How much will sea level rise 9 • What will be the effects on ecosystems 9 • What should be done to reduce uncertainties, and how long will this take 9 This report is intended to respond to the practical needs of the policymaker.

But now look at the breadth of support across the United States for using pollution regulations to curb carbon dioxide, the main human - generated greenhouse gas:

The proposed agreement, echoing the architecture of the Framework Convention and Kyoto Protocol, has a few main themes: finding ways that rich countries can help poor ones adapt to impending climate change; strengthening efforts to curb emissions of heat - trapping greenhouse gases from rich countries and the biggest poor ones; and committing rich countries to helping poor ones deploy energy technologies or forest policies that limit their emissions even as they try to prosper.

The bottom line is, if you're in a village — even in a highlands region facing more mosquitoes — is your main concern a global blunting of emissions of greenhouse gases or access to insecticides and mosquito nets?

There's some sobering news on two fronts that many climate campaigners, and politicians, have put at the forefront of their climate agendas: passing legislation capping carbon dioxide emissions and demonstrating technology for capturing and burying the main human - generated greenhouse gas.