Sentences with phrase «dioxide than fossil fuels»

In fact, burning biomass emits at least a little more carbon dioxide than fossil fuels for the same amount of generated energy.

In fact, burning biomass directly emits a bit more carbon dioxide than fossil fuels for the same amount of generated energy.

Not exact matches

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.

She also said that citizens should realize that whether they are cutting down trees or burning fossil fuels, they are putting more carbon dioxide into the atmosphere than plants can remove.

A report in Nature stated that in some cases the escape of methane, a far more potent greenhouse gas than carbon dioxide, «could effectively offset the environmental edge that natural gas is said to enjoy over other fossil fuels.»

As city - dwellers and tourists switch from riding fossil fuel - powered vehicles to public bikes, more than 30,000 tons of carbon dioxide emissions is reduced annually, estimates Tao Xuejun, vice president of the program.

Burning gas emits less carbon dioxide than burning other fossil fuels.

Human - caused climate change caused the storm to drop significantly more rain than storms would have before atmospheric carbon dioxide levels spiked from the consumption of fossil fuels, according to research published yesterday.

Although fossil - fuel combustion has generated most of the buildup of climate - altering carbon dioxide (CO2) in the atmosphere, effective solutions will require more than just designing cleaner energy sources.

But every person in Britain uses more than 80 times as much fossil fuel as a Bangladeshi, so Britain's population growth effectively contributes 3.5 times as much carbon dioxide to the global atmosphere as Bangladesh's.

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.

Hydrogen can also be split from water in high - temperature nuclear reactors or generated from fossil fuels such as coal or natural gas, with the resulting carbon dioxide captured and sequestered rather than released into the atmosphere.

The People's Republic now produces more than three billion tons of coal a year, and the fossil fuel has played a key role in accelerating the nation's growth, along with its carbon dioxide emissions, dating to the early 20th century

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:

Why It Matters: Power plants that burn coal and other fossil fuels emit more than 40 percent of the nation's carbon dioxide.

In 2008 carbon dioxide emissions from fossil fuels were ~ 40 % higher than those in 1990.

Biofuels can also cause a much smaller net release of carbon dioxide into the atmosphere than fossil fuels such as coal and oil.

Libby's article speaks volumes about the difficulty of moving a world that is more than 80 percent dependent on fossil fuels toward one largely free of carbon dioxide emissions from such fuels within two or three generations, even as the human population heads toward 9 billion (more or less).

In the meantime, the world's poorest two or three billion people, emitting less than one ton of carbon dioxide per person per year (compared to the 20 tons per - capita average of the United States), could be propelled out of poverty with additional fossil fuel use without substantially interfering with efforts to rein in the richest populations» emissions.

-- Every human appears to have 10, 20 or more horses yoked with him (the primemovers that burn fossil fuels and make our current lives comfortable) which consume oxygen and spew out far more carbon - dioxide than man would do alone.

(Paper abstract) Soot from ships worse than expected Produced during combustion of fossil fuels and biofuels, light - absorbing carbon (soot) creates haze and absorbs light with an efficiency nearly one third that of carbon dioxide.

Carbon dioxide emissions from burning fossil fuels in the United States peaked at more than 1.6 billion tons of carbon in 2007.

According to the summary for policymakers, there is now even greater certainty, 95 per cent, up from 90 per cent in its 4th assessment of 2007, that more than half the warming since 1950 was caused by fossil fuel carbon dioxide.

Surging greenhouse gas emissions: Global carbon dioxide emissions from fossil fuels in 2008 were nearly 40 percent higher than those in 1990.

Because electricity and heat account for 41 percent of global carbon dioxide emissions, curbing climate change will require satisfying much of that demand with renewables rather than fossil fuels.

The oceans are more acidic now than they have been for at least 300m years, due to carbon dioxide emissions from burning fossil fuels, and a mass extinction of key...

For example, atmospheric carbon dioxide grew by approximately 30 % during the transition from the most recent cold glacial period, about 20,000 years ago, to the current warm interglacial period; the corresponding rate of decrease in surface ocean pH, driven by geological processes, was approximately 50 times slower than the current rate driven largely by fossil fuel burning.

In 2008 the growth rate in the fossil fuel carbon dioxide emissions was smaller than in the preceding five years, but it was still over 2 %.

Together, replacing fossil fuels in electricity generation with renewable sources of energy, switching to plug - in hybrid cars, going to all - electric railways, banning deforestation, and sequestering carbon by planting trees and improving soil management will drop carbon dioxide emissions in 2020 more than 80 percent below today's levels.

«This marks the fact that humans burning fossil fuels have caused global carbon dioxide concentrations to rise more than 120ppm since pre-industrial times,» Pieter Tans, lead scientist of NOAA's greenhouse gas network, said in an interview to The Guardian Wednesday.

Most Americans can correctly identify carbon dioxide as a gas created by the burning of fossil fuels (68 %), and a similar share, 65 %, recognize that a comparison or control group is a better method for testing the effectiveness of a new drug than simply giving the drug to a single group.

They report that stopping deforestation and allowing young secondary forests to grow back could establish a «forest sink» — an area that absorbs carbon dioxide rather than releasing it into the atmosphere — which by 2100 could grow by over 100 billion metric tons of carbon, about ten times the current annual rate of global fossil fuel emissions.

It's quite okay to buy those carbon - intensive fuels, which speaks volumes about what's the real agenda here: protecting the interests of the fossil fuel industry, even though producing synthetic fuels using Nazi - era technology actually produces more carbon dioxide than burning petroleum itself.

Natural gas (NG) is a potential «bridge fuel» during transition to a decarbonized energy system: It emits less carbon dioxide during combustion than other fossil fuels and can be used in many industries.

Scientists complained that the programme makers distorted evidence, and made elementary mistakes such as claiming that volcanoes produce more carbon dioxide than human activities, when in fact they produce less than 2 % of that caused by the burning of fossil fuels.

Of the fossil fuels, natural gas emits less carbon dioxide than oil (though the gas itself, methane, is a powerful greenhouse gas and there are serious leakage problems with its use).

Finally, two weeks ago the EPA issued its draft guidelines on existing fossil fuel power plants, setting a nationwide goal of a 30 percent reduction in carbon dioxide emissions from those plants by 2030, compared to 2005 levels (which were higher than today's).

This confirms that our impact on the climate began just decades after we started burning fossil fuels — about 180 years earlier than traditional climate change graphs have shown — and that even the smallest amount of carbon dioxide can have an effect on how fast global temperatures increase.

They could cut cumulative carbon dioxide emissions by 34 billion metric tons, more than the total emissions from fossil fuels in this country over six years.

Without the exaggerated alarm conjured from overly pessimistic climate model projections of climate change from carbon dioxide emissions, fossil fuels — coal, oil, gas — would regain their image as the celebrated agents of prosperity that they are, rather than being labeled as pernicious agents of our destruction.

A 2007 study by Susan Page of the University of Leicester found that one ton of palm oil produced on peatland generates 15 to 70 tons of carbon dioxide, largely the result of deforestation and draining of peatlands, making palm oil - based - biofuels produced by peatlands conversion worse for climate than burning of conventional fossil fuels.

Comparing like for like, fossil fuels were considered to produce more carbon dioxide than biofuels, which has led to the assumption that fossil fuels cause more greenhouse warming than biofuels.

The burning of fossil fuels and felling of forests has pushed carbon dioxide levels in the atmosphere up by more than a third so far.

Since the industrial revolution and the rapid increase in the use of fossil fuels, humans have added more than a trillion tons of carbon dioxide to the atmosphere.

Carbon dioxide emissions from people burning fossil fuels are the driving force behind climate change and have risen to greater than 400 ppm — more than 120 ppm above pre-industrial levels.

For more than a decade, researchers have struggled and failed to balance global carbon budgets, which must balance carbon emissions to the atmosphere from fossil fuels (6.3 Pg per year; numbers here from Skee Houghton at Woods Hole Research Center) and land use change (2.2 Pg; deforestation, agriculture etc.) with carbon dioxide accumulation in the atmosphere (3.2 Pg) and the carbon sinks taking carbon out of the atmosphere, especially carbon dioxide dissolving in Ocean surface waters (2.4 Pg).

Reducing these substances may be easier than cutting emissions of carbon dioxide, which is so pervasive because the vast majority of our energy still comes from burning fossil fuels — as delegates at the talks have been continually reminded by their location in Qatar, one of the world's biggest producers of natural gas.

Although the natural fluxes of carbon dioxide into and out of the atmosphere are still more than ten times larger than the amount that humans put in every year by burning fossil fuels, the human addition matters disproportionately because it unbalances those natural flows.

The proposed restrictions, unveiled by officials at the Environmental Protection Agency, would apply only to new fossil - fuel - burning power plants — limiting them to no more than 1,000 pounds of carbon dioxide emissions per megawatt generated.

Thawing permafrost also delivers organic - rich soils to lake bottoms, where decomposition in the absence of oxygen releases additional methane.116 Extensive wildfires also release carbon that contributes to climate warming.107, 117,118 The capacity of the Yukon River Basin in Alaska and adjacent Canada to store carbon has been substantially weakened since the 1960s by the combination of warming and thawing of permafrost and by increased wildfire.119 Expansion of tall shrubs and trees into tundra makes the surface darker and rougher, increasing absorption of the sun's energy and further contributing to warming.120 This warming is likely stronger than the potential cooling effects of increased carbon dioxide uptake associated with tree and shrub expansion.121 The shorter snow - covered seasons in Alaska further increase energy absorption by the land surface, an effect only slightly offset by the reduced energy absorption of highly reflective post-fire snow - covered landscapes.121 This spectrum of changes in Alaskan and other high - latitude terrestrial ecosystems jeopardizes efforts by society to use ecosystem carbon management to offset fossil fuel emissions.94, 95,96