Sentences with phrase «atmosphere than carbon dioxide»

It is also a potent greenhouse gas that contributes to climate change: Methane is over 20 times more effective at trapping heat in the atmosphere than carbon dioxide, although it is not as long - lived.

Cows are responsible for 20 percent of U.S. emissions of methane, which traps 20 times more heat in the atmosphere than carbon dioxide

Since methane has a much shorter residence time in the atmosphere than carbon dioxide, but has a greater warming potential over that time, the use of a 20 - year time frame makes methane seem more serious than if a timeframe of 100 years or longer is used.

Methane is a greenhouse gas many times more powerful at warming the atmosphere than carbon dioxide.

Another remnant of Germany's coal mining past is invisible: coal mine methane, which can build - up inside the mining shafts for decades after their closure.Not only does methane pose an explosion hazard, it is also a very potent greenhouse gas, being about 20 times more effective in trapping heat in the atmosphere than carbon dioxide.

Methane is less abundant than carbon dioxide, and disappears faster in the atmosphere than carbon dioxide.

«Oxygen loss» sounds alarming, but fortunately there is much, much more oxygen in our atmosphere than carbon dioxide.

Methane or natural gas is 72 times more potent at capturing heat in the atmosphere than carbon dioxide over the first 20 years after release - and to deal with climate change, we need to focus on the next few decades.

With CH4 being 21 times more harmful to the atmosphere than carbon dioxide, anaerobic wastewater solutions can qualify for Emission Reduction Certificates for projects in countries listed under the United Nations Kyoto Clean Development Mechanism (CDM) and Joint Implementation (JI) programs.

Not exact matches

The tweets, which included one saying «Today, the amount of carbon dioxide in the atmosphere is higher than at any time in the last 650,000 years.

«Today, the amount of carbon dioxide in the atmosphere is higher than at any time in the last 650,000 years.

Refrigerants (i.e. the chemicals used in refrigeration) have a capacity to warm the atmosphere that is 1,000 to 9,000 time greater than carbon dioxide.

Natural gas is primarily composed of methane, a greenhouse gas that is more potent than carbon dioxide, but remains in the atmosphere for less time.

It lingers in the atmosphere for a shorter period than carbon dioxide, but its radiation - trapping impact is more than 25 times greater than CO2.

Indeed, it now seems that major volcanic eruptions 4 billion years ago would have created an even more diverse atmosphere than Miller used, including carbon dioxide (CO2), nitrogen (N2), hydrogen sulfide (H2S), and sulfur dioxide (SO2).

The most important is preventing methane gas, a greenhouse gas but a short - term pollutant that is 72 times more detrimental than carbon dioxide within a 20 - year period, from entering the atmosphere.

Deforestation adds more carbon dioxide to the atmosphere than the sum total of all cars and trucks on the world's roads... and over 1 billion trees are cut down each year to produce disposable diapers.

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.

The fires were costly for the rest of the planet, too: At their peak, the blazes belched more climate - warming carbon dioxide into the atmosphere each day than did all U.S. economic activity.

During the Eocene, the concentration of carbon dioxide in the atmosphere was more than 560 parts per million, at least twice preindustrial levels, and the epoch kicked off with a global average temperature more than 8 degrees Celsius — about 14 degrees Fahrenheit — warmer than today, gradually cooling over the next 22 million years.

«Although most of the macrophyte carbon is released back to the atmosphere in the same form that it is assimilated, carbon dioxide, some of it is actually exported to the ocean as dissolved carbon or released to the atmosphere as methane, a gas that has a warming potential 20 times larger than carbon dioxide,» said John Melack, a professor at the University of California, Santa Barbara.

But when unburned methane is released into the atmosphere, it is a potent greenhouse gas with a warming potential 28 to 34 times greater than carbon dioxide over a 100 - year timeframe (and up to 84 times more potent over a 20 year timeframe).

Much of that comes from power plants that burn coal or natural gas — emitting more carbon dioxide into the atmosphere, even more than was captured.

While scientists and policy experts debate the impacts of global warming, Earth's soil is releasing roughly nine times more carbon dioxide to the atmosphere than all human activities combined.

«So, even well - managed present - day forests store much less carbon than their natural counterparts in 1750, which explains the [net] lack of carbon dioxide removal from the atmosphere.»

«With careful evaluation, burying carbon dioxide underground will prove very much safer than emitting CO2 directly to the atmosphere,» says Bickle.

Those trees are going to fall down and rot and turn into methane, which is much worse than carbon dioxide,» he said, noting that by turning wood chips into biofuel, his company would actually be reducing greenhouse gases from the atmosphere.

Mission to Earth Scientists knew more than a century ago that adding carbon dioxide to our atmosphere would warm temperatures.

Researchers from the United Kingdom and Brazil also said the pair of droughts have raised concerns that the forest could be approaching a point where it ceases to be a carbon «sink,» absorbing more carbon dioxide from the atmosphere than it produces, and flips to a carbon source.

Earth's atmosphere may be more sensitive to carbon dioxide than previously thought, which means that extreme weather events could become more frequent

Increased carbon dioxide (CO2) in the atmosphere is making the Pacific coast acidic far more rapidly than previously believed, potentially wreaking havoc for creatures living in it that are unable to tolerate the swiftly changing environment.

Experts on greenhouse - gas emissions tell me that every time my car burns a gallon of gasoline, I am putting more than 25 pounds of carbon dioxide into the atmosphere as well as a smaller amount of methane, nitrous oxide, and various other toxic gases.

Cattle are responsible for 20 percent of U.S. emissions of methane, which traps heat in the atmosphere 20 times more effectively than carbon dioxide.

Short - lived climate pollutants are so called because even though they warm the planet more efficiently than carbon dioxide, they only remain in the atmosphere for a period of weeks to roughly a decade whereas carbon dioxide molecules remain in the atmosphere for a century or more.

The last time researchers believe the carbon dioxide concentration in the atmosphere reached 400 ppm — between 3 and 5 million years ago during the Pliocene — Earth was about 3.5 to 9 degrees Fahrenheit warmer (2 to 5 degrees Celsius) than it is today.

Although the concentration of carbon dioxide in the atmosphere is much higher, at around 385 parts per million, methane is a worry as it is much better than carbon dioxide at locking in heat from solar radiation.

As a result — and for reasons that remain unexplained — the waters of the Southern Ocean may have begun to release carbon dioxide, enough to raise concentrations in the atmosphere by more than 100 parts per million over millennia — roughly equivalent to the rise in the last 200 years.

From the atmosphere's point of view, growing biomass to burn in a power plant and using the electricity to move a car avoids 10 tons of carbon dioxide emissions per acre, or 108 percent more emission offsets than ethanol.

Year - round ice - free conditions across the surface of the Arctic Ocean could explain why Earth was substantially warmer during the Pliocene Epoch than it is today, despite similar concentrations of carbon dioxide in the atmosphere.

Although CFCs are extremely persistent, remaining in the upper atmosphere for decades, and although they are 10,000 times more efficient than carbon dioxide at trapping heat, the process of controlling them has been under way for years, for reasons having nothing to do with the greenhouse effect.

Year - round ice - free conditions across the surface of the Arctic Ocean could explain why Earth was substantially warmer during the Pliocene Epoch than it is today, despite similar concentrations of carbon dioxide in the atmosphere, according to new research carried out at the University of Colorado Boulder.

Carbon dioxide gets more press, but methane is the more powerful agent of global warming, 21 times more effective than carbon dioxide at trapping heat in the atmosphere.

They used two different climate models, each with a different sensitivity to carbon dioxide, to project California's future under two scenarios: an optimistic one, in which we only double the level of carbon dioxide in the atmosphere — since the 19th century we've already increased it by about a third — and a pessimistic scenario, in which we more than triple CO2.

The U.N. Convention to Combat Desertification estimates that soil, as a sink for carbon dioxide, provides a larger reservoir than either vegetation or the atmosphere, calling its sequestration capabilities «unparalleled.»

Its mixing ratio in the atmosphere is lower than that of CO2 (about 4 parts per trillion ppt in 1990 versus 365 ppm of carbon dioxide), its contribution to global warming is accordingly low.

Although there is much less of it in the air, it is 33 times more effective than carbon dioxide at trapping heat in the atmosphere and adding to greenhouse warming.

According to the accepted view, the formation of the Earth released vast amounts of water vapour and carbon dioxide, which formed a thick atmosphere and caused strong greenhouse warming at a time when the Sun was 15 to 20 per cent fainter than today.

These chemicals can be tens of thousands of times more potent than carbon dioxide in trapping heat, so even small amounts leaking into the atmosphere could have an outsized impact on the climate.

However, the carbon dioxide concentration in the atmosphere — roughly 290 ppm (parts per million)-- was ca. 110 ppm lower than the current level, as ice core data from the Antarctic shows.

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.