Sentences with phrase «about carbon dioxide emissions»

Ultimately, NEI contends Perry's proposal to keep nuclear plants open is a good thing for those concerned about carbon dioxide emissions and making sure the grid remains reliable.

«Choices made now about carbon dioxide emissions reductions will affect climate change impacts experienced not just over the next few decades but also in coming centuries and millennia... Because CO2 in the atmosphere is long lived, it can effectively lock the Earth and future generations into a range of impacts, some of which could become very severe.»

By combining information about the carbon dioxide emissions released by burning the fuels sold by these companies, with statistics about sea level changes, the researchers tried to determine the proportional responsibility of each company.

July 16, 2010 — Choices made now about carbon dioxide emissions reductions will affect climate change impacts experienced not just over the next few decades but also in coming centuries and millennia, says a new report from the National Research Council.

WASHINGTON — Choices made now about carbon dioxide emissions reductions will affect climate change impacts experienced not just over the next few decades but also in coming centuries and millennia, says a new report from the National Research Council.

While finishing up her dissertation at the National Center for Atmospheric Research (NCAR), Parkinson and climate scientist William Kellogg decided to take the theory about carbon dioxide emissions increasing global temperatures and apply it to a sea ice model that Parkinson had built.

In his review of Robert Laughlin's book Powering the Future, Fred Pearce summarises the author's view as «ultimately the planet won't care much about our carbon dioxide emissions» because the gas will all end up in the oceans (1 October, p 46).

Not exact matches

It will see the UK pass on information about its experiences in the EU emissions trading scheme to California, which is the seventh largest economy in the world and the 12th largest emitter of carbon dioxide.

EPA's greenhouse gas inventory released yesterday shows that the transportation and electricity sectors now supply about the same amount of U.S. carbon dioxide emissions.

The power and reach of the 60 - watt incandescent bulb About 20 percent of carbon dioxide emissions associated with buildings in the United States are related to indoor lighting.

Globally, about 32 million acres of forest is destroyed each year, mostly in the tropics and, because trees absorb carbon dioxide, deforestation is responsible for some 15 percent of all greenhouse gas emissions.

It also stirred confusion about the governor's legal authority and what will happen to the carbon trading program, which caps utility carbon dioxide emissions in 10 Northeastern and mid-Atlantic states, at a time when national climate legislation appears dead on Capitol Hill.

Oceans are taking in about 90 percent of the excess heat created by human greenhouse gas emissions, but they're also absorbing some of the carbon dioxide (CO2) itself.

Jacobson, the director of Stanford's Atmosphere / Energy Program and a senior fellow at the Woods Institute for the Environment and the Precourt Institute for Energy, said almost 8.5 billion tons of atmospheric carbon dioxide — or about 18 percent of all anthropogenic carbon dioxide emissions - comes from biomass burning.

For example, it is now straight - forward to calculate that the carbon dioxide emissions for each seat on a return flight from, say, London to San Francisco causes about five square metres of Arctic sea ice to disappear.»

While cutting carbon dioxide is the only way to halt warming over the long term, experts said, earlier research has come to similar conclusions about the short - term advantages of limiting black carbon emissions.

Bowen says the two relatively rapid carbon releases (about 1,500 years each) are more consistent with warming oceans or an undersea landslide triggering the melting of frozen methane on the seafloor and large emissions to the atmosphere, where it became carbon dioxide within decades.

Coal - burning power plants in the United States emit about 2.1 billion tons of carbon dioxide each year — nearly 17 percent of worldwide coal emissions — and finding technologies that reduce those emissions in the United States and China, which burns even more coal than we do, is crucial to combating global warming.

Fossil fuels cost a lot of money and [have] a lot of climate impact; that's something we haven't covered either, but this plan will also reduce carbon dioxide emissions to about a third of what they are now [by] 2050, assuming some level of growth as well.

Assuming that the kosher consumer replaces the average American's four pounds of shrimp a year (and its 9.79 pounds, or 4.4 kilograms, of carbon dioxide emissions) with another fish, Canadian North Atlantic herring is a good choice: it takes around 5.28 gallons (20 liters) of fuel to purse seine (net using two trawlers) a metric ton of these small fish, according to Dalhousie, releasing about 117 pounds (53 kilograms) of carbon dioxide — meaning four pounds of herring have a carbon footprint of a mere 0.21 pound (0.09 kilogram).

Oceans play a key role in mitigating climate change, in part because they absorb about 25 % of global carbon - dioxide emissions from fossil - fuel burning and deforestation, he said.

carbon dioxide emissions per passenger on a Virgin Galactic spaceflight would be about 60 percent of a passenger's carbon footprint on a round - trip flight between New York and London.

But talking about 2020 is crucial to climate scientists, who see quick emission cuts as important as the concentration of carbon dioxide in the atmosphere in four decades.

«This is one more reason why we need to get serious about reducing carbon dioxide emission sooner rather than later,» said Langdon.

Most observers expect the EPA to say that aviation emissions endanger public health but are not sure how much the agency and the Federal Aviation Authority will reveal about their vision for a carbon dioxide emissions standard for new aircraft.

Production of organic corn resulted in the greatest nitrous oxide emissions and represented about 8 % of total GHG emission; corn also had the highest carbon dioxide emissions per hectare.

Total annual production emissions, averaged over five years, would equal about 100 grams of carbon dioxide per megajoule — which is 7 percent greater than gasoline emissions and 62 grams above the 60 percent reduction in greenhouse gas emissions as required by the 2007 Energy Independence and Security Act.

Though the overall impact of tourism on climate change is difficult to assess, the United Nation's World Tourism Organization says our vacations contribute about 5 percent of global carbon dioxide emissions, which reached 8.47 billion metric tons in 2007.

Annual carbon dioxide emissions of 400,000 cars: about two million tons.

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.

Dominated by emissions from cars, trucks and other forms of transportation, suburbs account for about 50 percent of all household emissions — largely carbon dioxide — in United States.

The debate about how to reduce emissions of carbon dioxide often focuses on emissions from generation of electricity and transport.

Coal - power plants account for about 25 percent of that carbon dioxide, so it's 320 years of coal - power emissions.»

While examining ways that carbon dioxide could escape underground storage, Kang wondered about the effect of old wells on methane emissions.

«There is a lack of strategy from political actors about how emissions from these industries should be reduced, even though these industries are responsible for a tenth of emissions of carbon dioxide in Europe and nearly 20 percent in Sweden,» says Johan Rootzén.

To understand where that carbon dioxide is going, we need precise, comprehensive, ongoing data about carbon dioxide absorption and emission by forests, the ocean and many other regions.

While rising carbon dioxide emissions are a primary concern of those worried about climate change, emissions of methane, another potent greenhouse gas, have also risen in recent years.

A study commissioned by Iridium found that between the service's proposed start in 2017 and 2030, the technology should save airlines about $ 7 billion on fuel and cut carbon dioxide and nitrogen oxide emissions by 35 million tonnes.

The planet's average surface temperature has risen about 1.8 degrees Fahrenheit (1.0 degree Celsius) since the late - 19th century, a change largely driven by increased carbon dioxide and other human - made emissions into the atmosphere.

Add to that the aim of reducing the country's carbon dioxide emissions by 80 per cent from 1990 levels before 2050, and an economy emerging from its longest recession since the second world war, and it is easy to see why political debates about the...

Holdren and many others are especially concerned about the carbon dioxide, which unlike coal's other emissions is completely unregulated in the United States.

Compared with a typical, 30 - mile - per - gallon automobile, the Volt will save these motorists about 500 gallons of fuel a year, which also will result in a substantial cut in annual carbon dioxide emissions which are associated with climate change.

As he explains it, carbon dioxide has expanded by about 33 percent since the industrial age began, while methane emissions have risen by 150 percent.

Rosenthal says that if carbon dioxide emissions become taxed in the future due to continuing concerns about global warming, his solar - driven catalyst for making synthetic fuel will compete even better economically with fossil fuels.

Fossil fuel - based electricity production is responsible for about 38 percent of U.S. carbon dioxide emissions — CO2 pollution being the major cause of global climate change.

Many of his mistakes are big ones: he bungles the issues involving reserves and resources that are critical to his core argument about oil remaining cheap; he drastically misleads his readers about the extent to which sulfur dioxide and nitrogen oxide emissions from coal - burning have been reduced; he trivializes the climate - change risks from coals carbon dioxide emissions by suggesting we know the impacts will be worth only 0.64 cents per kilowatt - hour.

Together, these measures could reduce emissions from energy use by about 3.1 gigatons of carbon - dioxide equivalent by 2020, the authors argue.

7It is particularly ironic that Lomborg would offer such a ridiculously precise estimate of the cost of the impacts of climate change from carbon dioxide emissions, inasmuch as the entire thrust of his books chapter on «global warming» is that practically nothing about the effects of greenhouse gases is known with certainty.

Over the past quarter century, G20 carbon dioxide emissions had risen by almost 50 percent while per capita emissions had gained by about 18 percent, reflecting population growth, it said.

On a 12 - hour flight, that would save 1.43 metric tons of fuel and reduce carbon dioxide emissions by about 4.5 metric tons, the airline said.