Sentences with phrase «than carbon dioxide at»

You may have seen statements that methane is 20 times or 30 times more powerful than carbon dioxide at warming our planet (20ish was adjusted up to 30ish by the 2013 IPCC report).

The higher global warming potential of lower - emitting greenhouse gases significantly increases their contributions to the greenhouse effect.For example, over a 100 - year time horizon, nitrous oxide is 310 times more effective than carbon dioxide at trapping heat in the atmosphere.

Even more concerning is that the extraction, distribution, and combustion of natural gas result in the leakage of methane, a powerful global warming gas 34 times stronger than carbon dioxide at trapping heat over a 100 - year period.

Or, put another way, methane is more effectual than carbon dioxide at absorbing infrared radiation emitted from the earth's surface and preventing it from escaping into space.

In a story published on the WSU website and now getting wide distribution Deemer said she measured dissolved gases in the water column of Lacamas Lake in Clark County and found that methane emissions — a substance 25 times more effective than carbon dioxide at trapping heat in the atmosphere — jumped 20-fold when the water level was drawn down.

Methane is 34 times stronger than carbon dioxide at trapping heat over a 100 - year period and 86 times stronger over 20 years; roughly 10 percent of all US methane emissions come from coal mining.

It is 34 times more potent than carbon dioxide at trapping heat.

Methane doesn't last as long in the atmosphere, but it is much more efficient than carbon dioxide at trapping heat.

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.

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.

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.

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.

Not exact matches

It pollutes more than carbon dioxide, but looking only at that, based on MyClimate.com, here are the results of one round - trip flight between New York and Los Angeles, flying coach:

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.

When I ask him what would happen if gasoline cars simply continued to improve in efficiency, he says, «I think people should be a lot more worried than they are,» explaining that even if carbon dioxide levels remain what they are today, we won't feel the ill effects until at least 2035.

Eligible wines are other than standard (OTS) wines that have not been subject to distillation at a distilled spirits plant and that contain no more than 0.392 g of carbon dioxide per 100 ml.

Methane is about 23 times more potent at trapping heat in our environment than carbon dioxide.

In animal models, exposure to cigarette smoke or nicotine during fetal development alters the expression of the nicotinic acetylcholine receptor in areas of the brainstem important for autonomic function, 28 alters the neuronal excitability of neurons in the nucleus tractus solitarius (a brainstem region important for sensory integration), 29 and alters fetal autonomic activity and medullary neurotransmitter receptors.30 In human infants, there are strong associations between nicotinic acetylcholine receptor and serotonin receptors in the brainstem during development.31 Prenatal exposure to tobacco smoke attenuates recovery from hypoxia in preterm infants, 32 decreases heart rate variability in preterm33 and term34 infants, and abolishes the normal relationship between heart rate and gestational age at birth.33 Moreover, infants of smoking mothers exhibit impaired arousal patterns to trigeminal stimulation in proportion to urinary cotinine levels.35 It is important to note also that prenatal exposure to tobacco smoke alters the normal programming of cardiovascular reflexes such that there is a greater - than - expected increase in blood pressure and heart rate in response to breathing 4 % carbon dioxide or a 60 ° head - up tilt.36 These changes in autonomic function, arousal, and cardiovascular reflexes might all increase an infant's vulnerability to SIDS.

(Pipelines leak methane at much higher rates than previously understood, and methane is much more dangerous to the environment 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.

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.

Krissansen - Totton explains in more detail: «Having methane and carbon dioxide together is unusual, because carbon dioxide is carbon's most oxidized state, and methane (composed of a carbon atom linked to four hydrogen atoms rather than any oxygen at all) is its least,» he says.

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.

Maxwell Ball, manager for clean coal technologies at SaskPower in Regina, which owns the plant, says that the company was surprised to learn that it would be cheaper in the long term to keep burning coal at Boundary Dam and sell the carbon dioxide to oil companies to boost production in the oil field than to build a new natural - gas plant.

Jacobson explains that total anthropogenic, or human - created, carbon dioxide emissions, excluding biomass burning, now stand at more than 39 billion tons annually.

«We discovered that methane and hydrogen, and their interaction with carbon dioxide, were much better at warming early Mars than had previously been believed.»

CCS involves capturing the carbon dioxide produced at power stations, compressing it, and pumping it into reservoirs in the rock more than a kilometre underground.

In carbon dioxide, for example, these multiple isotopes are found more often than expected — a phenomenon called clumping — which leads to a powerful tool for measuring the temperatures at which the molecules formed, now and in the ancient past.

In fact, air concentrations of carbon dioxide have to build up to more than 10 percent to be hazardous, which is difficult to achieve, according to modeling at Lawrence Livermore National Laboratory.

American Electric Power will begin capturing at best just over 3 percent of the 8.5 million metric tons of carbon dioxide emitted by its 1,300 - MW Mountaineer Power Plant in West Virginia later this year and injecting the CO2 more than three kilometers underground.

Not only does it come from renewable resources, but it's better than PET at sealing out gases like oxygen and carbon dioxide, which is critical for preserving foodstuffs.

Even the 350 - ppm limit for carbon dioxide is «questionable,» says physicist Myles Allen of the Climate Dynamics Group at the University of Oxford, and focusing instead on keeping cumulative emissions below one trillion metric tons might make more sense, which would mean humanity has already used up more than half of its overall emissions budget.

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.

They argue that there is something wrong with a world in which carbon - dioxide levels are kept to 450 parts per million (a trajectory widely deemed compatible with a 2 degree cap on warming) but at the same time more than a billion of the poorest people are left without electricity, as in one much discussed scenario from the International Energy Agency.

Supercritical carbon dioxide is easier to compress than steam and allows a generator to extract power from a turbine at higher temperatures.

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.

The atmospheric concentration of carbon dioxide, a critical greenhouse gas, is higher than it has been for at least 650,000 years.

«The world desperately needs higher - efficiency gas turbines because the end result is millions of tons of carbon dioxide that's not going into the atmosphere,» said Citeno, noting that in the last 2 years, more than 50 percent of gas turbines manufactured at GE's Greenville plant were exported to other countries.

Yang Fuqiang, a senior adviser on energy, environment and climate change at the Natural Resources Defense Council, agrees that in 2015, China's carbon dioxide emissions dropped for the first time, signaling that the country's emissions peak may come earlier than previously thought.

This is because large animals disperse large seeded plant species often associated with large trees and high wood density — which are more effective at capturing and storing carbon dioxide from the atmosphere than smaller trees.

And such techniques might be capable, at best, of sequestering one billion metric tons of carbon dioxide per year (based on the extent of iron - deficient waters around the globe), compared with annual human emissions of more than eight billion metric tons and rising.

In a separate study, Katey Walter, an aquatic ecologist at the University of Alaska at Fairbanks, showed that much of this buried carbon may emerge as methane, a greenhouse gas some 20 times more powerful than carbon dioxide.

Taking each factor independently, the team found that CCS only achieves the necessary deployment under one of the following conditions: the price of oil is greater than $ 85 / barrel; the carbon tax incentives increase dramatically to above $ 75 per tonne of carbon dioxide by 2050; or learning rates for technology deployment are sustained at a high rate, with 14 % cost reduction for every doubling of deployment.

When carbon dioxide levels were doubled in the modified model, temperatures rose by at least a quarter more than they did when the unmodified model was used — to at least 5 °C (9 °F).

Yakir burned more than 100 Globe samples at 2,000 to 2,200 °F in a super-oxygen-rich oven, letting the carbon in the paper combine with the oxygen to make carbon dioxide.

Global average temperatures will rise at least 4 °C by 2100 and potentially more than 8 °C by 2200 if carbon dioxide emissions are not reduced according to new research published in Nature.

Global average temperatures will rise at least 4 degrees C by 2100 and potentially more than 8 degrees C by 2200 if carbon dioxide emissions are not reduced, according to new research.

Emissions of a greenhouse gas that has 17,000 times the planet - warming capacity of carbon dioxide are at least four times higher than had been previously estimated.