Sentences with phrase «of global emissions of carbon dioxide»

The following plot of the log of global emissions of carbon dioxide shows that four time periods have different exponential slopes....

Right now, the sum of global emissions of carbon dioxide by 6.6 billion very - unequal humans is about 29 billion tons a year.

Not exact matches

The oil and gas industry and its products account for half of global carbon dioxide emissions.

Even if the ambitious targets of the world's biggest economies are met, and internal combustion engines give way to electric or other zero - emission vehicles by 2040, the total impact on global carbon dioxide emissions will be minimal, according to a new study released Tuesday.

With CCS, instead of releasing carbon dioxide from oil and gas operations into the atmosphere, where the emissions contribute to global warming, that CO2 is converted into liquid and pumped underground to be sequestered indefinitely in porous rock formations.

Global emissions of carbon dioxide from the use of fossil fuels are estimated to have to be reduced by 75 to 80 per cent.

Being Carbon Neutral refers to any entity that has achieved net zero release of carbon dioxide green house gas emissions and does not contribute to global warming.

Methane gas is second behind carbon dioxide in contributing to the greenhouse effect and global warming; cow flatulence and excretion account for 20 percent, or 100 million tons, of the total annual global methane emissions.

The current regulations are aimed at cutting tailpipe emissions of carbon dioxide, a major contributor to global warming.

The aviation industry produces 2 percent of global human - induced carbon dioxide emissions.

'' [E] missions of black carbon are the second strongest contribution to current global warming, after carbon dioxide emissions,» wrote Veerabhadran Ramanathan, a prominent climate scientist at the Scripps Institution of Oceanography, and Greg Carmichael, a professor of chemical engineering at the University of Iowa, in the April 2008 issue of the journal Nature Geoscience.

Global annual emissions calculated from laboratory measurements could reach 1.5 x 1014 grams of methane and 5 x 1016 grams of carbon dioxide.

Like fossil fuel development or not, the Kemper plant is at the center of U.S. EPA's plans to regulate carbon dioxide from new power plants and at the center of global emissions, considering that «low - rank» coals like Mississippi lignite constitute half the world's coal supply.

Based on a unique model that links China's energy system and economy, the study finds that China's coal use, a major source of global carbon dioxide (CO2) emissions, should peak some time around the year 2020, while the country's overall CO2 emissions would peak around 2030, or perhaps sooner.

The World Bank reports that Mexico's per capita emissions are 3.9 metric tons of carbon dioxide, just a hair below the global average of 4 metric tons.

He also models the global warming that would occur if concentrations of greenhouse gases in the atmosphere were to be doubled (due to increases in carbon dioxide and methane emissions from dragons and the excessive use of wildfire).

Pollution is a concern too: Shipping is responsible for 3 percent of global carbon dioxide emissions, similar to the airline industry, along with substantial particulates and sulfur dioxide.

Imagine if the world's two largest polluters unilaterally decide to cut emissions of carbon dioxide, the ubiquitous gas responsible for the bulk of global warming.

The ability of the oceans to take up carbon dioxide can not keep up with the rising levels of greenhouse gases in the atmosphere, which means carbon dioxide and global temperatures will continue to increase unless humans cut their carbon dioxide emissions.

The transportation sector makes up approximately 23 percent of all global energy - related carbon dioxide emissions, of which road transport is the largest and fastest - growing portion.

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 waGlobal 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 waglobal warming.

Researchers are pursuing a handful of negative emissions technologies (NETs) that would mitigate global warming by pulling carbon dioxide (CO2) out of the atmosphere.

These conflicts have stalled some high - profile projects despite the fact that renewable energy sources do not produce heat - trapping emissions of carbon dioxides, the primary greenhouse gas driving global warming.

While overall emissions of greenhouse gases from CDP's «Global 500» have shrunk from 4.2 billion to 3.6 billion metric tons of carbon dioxide equivalent since 2009, the index's 50 largest - emitting firms have actually seen greenhouse gas emissions rise by 1.65 percent over the same period, the organization has found.

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.

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.

Such savings are key as U.S. households are responsible for 626 million metric tons of carbon dioxide emissions per year, nearly 40 percent of U.S. greenhouse gas emissions and 8 percent of global emissions.

Annual global emissions of carbon dioxide have risen steadily from 21 billion tons in 1992 to 32 billion tons in 2012.

For the industrial era, Lovejoy's analysis uses carbon - dioxide from the burning of fossil fuels as a proxy for all man - made climate influences - a simplification justified by the tight relationship between global economic activity and the emission of greenhouse gases and particulate pollution, he says.

Volcanic rocks deep beneath the sea off the coast of California, Oregon and Washington State might prove one of the best places to store the carbon dioxide emissions that are causing global warming, a new study finds.

«If ozone continues to increase, vegetation will take up less and less of our carbon dioxide emissions, which will leave more CO2 in the atmosphere, adding to global warming,» Sitch says.

Some 15 % of global carbon emissions result from deforestation and forest degradation, which releases carbon dioxide to the atmosphere as trees are destroyed.

CSIRO scientist Barrie Pittock presented a paper showing that stabilising the global level of carbon dioxide at three times the pre-industrial level will require reducing emissions below half the present level.

«Recent advances in understanding coral resilience are essential to safeguard coral reefs: A review of the literature points to the importance of reducing global carbon dioxide emissions in addition to protecting or augmenting resilience mechanisms in the face of increased frequency of climate change impacts..»

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.

It will boost global emissions of carbon dioxide by up to 110 million tonnes per year.

Critics argue that albedo modification and other «geoengineering» schemes are risky and would discourage nations from trying to reduce their emissions of carbon dioxide, the heat - trapping gas that comes from the burning of fossil fuels and that is causing global warming by absorbing increasing amounts of energy from sunlight.

Michael Replogle of ITDP, a co-author of the report «A Global High Shift Scenario», said transport, driven by a rapid growth in car use, had been the fastest growing source of carbon dioxide emissions in the world.

As emissions from human activities increase atmospheric carbon dioxide, they, in turn, are modifying the chemical structure of global waters, making them more acidic.

Global emissions of carbon dioxide from burning fossil fuels are set to rise again in 2013, reaching a record high of 36 billion tonnes — according to new figures from the Global Carbon Project, co-led by researchers from the Tyndall Centre for Climate Change Research at the University of East Anglia.

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.

More important, the plant could also capture nearly all of coal's most elusive and potentially disastrous emissions: carbon dioxide, the main gas that drives global warming.

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 lglobal 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 lGlobal 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 lglobal average warming less than 2 °C above pre-industrial levels.

Global carbon dioxide emissions from fossil fuel combustion and cement production grew 2.3 per cent to a record high of 36.1 billion tonnes CO2 in 2013.

Those emissions are dwarfed by others sources on the global scale, such as cars and power plants, amounting to just 5 percent of total global carbon dioxide emissions.

An assessment of these suggests that global annual emissions of greenhouse gases in 2030 will equate to between 55 and 60 billion tonnes of carbon dioxide.

Global emissions of carbon dioxide reached (another) all - time peak in 2010.

As more carbon dioxide enters the atmosphere, the global ocean soaks up much of the excess, storing roughly 30 percent of the carbon dioxide emissions coming from human activities.

The costs of reducing carbon dioxide emissions in order to slow global warming will have to fall mainly on the rich countries, the bank says.

Fake paper fools global warming naysayers The man - made - global - warming - is - a-hoax crowd latched onto a study this week in the Journal of Geoclimatic Studies by researchers at the University of Arizona's Department of Climatology, who reported that soil bacteria around the Atlantic and Pacific oceans belch more than 300 times the carbon dioxide released by all fossil fuel emission, strongly implying that humans are not to blame for climate change.