Sentences with phrase «as the greenhouse gas warming»

It is always dangerous to make gut - feel assessments of complex systems like the economy, but my sense is that this swap might even have net benefits for the economy — ie we might want to do it even if there was no such thing as greenhouse gas warming.

Not exact matches

The United States, under former President Barack Obama, had pledged as part of the Paris accord to cut U.S. greenhouse gas emissions by as much as 28 percent from 2005 levels by 2025 to help slow global warming.

``... a number of scientific studies indicate that most global warming... is due to the great concentration of greenhouse gases released mainly as a result of human activity... these gases do not allow the warmth of the sun's rays reflected by the earth to be dispersed in space.

... A number of scientific studies indicate that most global warming in recent decades is due to the great concentration of greenhouse gases (carbon dioxide, methane, nitrogen oxides and others) released mainly as a result of human activity... Doomsday predictions can no longer be met with irony or disdain.

Whether it is the sprawl of deserts or the loss of tropical forests as the world's poor cut trees for firewood and clear land for agriculture, or the ineluctable warming of the planet as vehicles and factories deposit millions of tons of greenhouse gases into the atmosphere, «economic pressures lie behind them all» (Tolba 1991, p. 10).

Climate change has added new impetus to forest conservation efforts as we increasingly appreciate how efficiently forests sequester carbon dioxide, a greenhouse gas that contributes to global warming.

In 1988, Thatcher, as prime minister, became one of the first world leaders to warn of warming caused by greenhouse gases.

Greenhouse gases add those watts by acting as a blanket, trapping the sun's heat; they have warmed Earth by roughly 0.75 degree Celsius over the last century.

A University of Alaska Fairbanks - led research project has provided the first modern evidence of a landscape - level permafrost carbon feedback, in which thawing permafrost releases ancient carbon as climate - warming greenhouse gases.

It remains too soon to tell exactly how this climate system will work under changed conditions and other environmental factors — such as whether the cooling effect of the soot generated by industry and burning forests outweighs the warming effect of greenhouse gases — which may play large roles.

The scientists expect further warming in the Arctic as levels of greenhouse gases will continue to increase and aerosol particle emissions will likely decrease to combat air pollution in different parts of the world.

It has been suggested that climate engineering could be used to postpone cuts to greenhouse gas emissions while still achieving the objectives of limiting global warming to under 2 degrees, as set in the Paris Climate Agreement.

But that still leaves a load of pollution: China this year surpassed the U.S. as the world's largest emitter of greenhouse gases behind global warming.

It's controversial, but some scientists see it as one option to limit global warming if nations fail to stem the output of greenhouse gases before a tipping point is reached.

All the greenhouse gases absorb infrared, and they also release the infrared, so these act as blockades to the infrared, leaving the atmosphere and going off into space; and the Earth warms up to send off even more infrared from the surface in order to reach its state, sort of a steady state with regard to space.

Given that methane has 20 times the impact of CO2 as a greenhouse gas, such a release could have accelerated global warming at that time.

A crucial distinction in the global - warming balance sheet — and another stumbling block for beginners starting to count carbons — is that researchers treat fuel from current plant growth as causing zero net greenhouse - gas emissions.

(At the time, the sun was as much as 6 % fainter than it is now, Lenton says, so the planet - warming effect of greenhouse gases wasn't as strong.)

The so - called greenhouse gases — mainly water vapor and carbon dioxide — make the planet warm and habitable by trapping solar heat as it radiates back off the Earth.

Similar frozen methane hydrates occur throughout the same arctic region as they did in the past, and warming of the ocean and release of this methane is of key concern as methane is 20x the impact of CO2 as a greenhouse gas.

Volk: Yeah, yeah that's becoming more and more of a concern as people are realizing that there is not just the greenhouse effect of CO2 being a greenhouse gas and warming the Earth up, but there is a direct chemical effect of its dissolving in the ocean as carbonic acid, and this is going to affect many marine creatures in the coming decades.

«As the climate gets warmer, the thawing permafrost not only enables the release of more greenhouse gases to the atmosphere, but our study shows that it also allows much more mineral - laden and nutrient - rich water to be transported to rivers, groundwater and eventually the Arctic Ocean,» explained Ryan Toohey, a researcher at the Interior Department's Alaska Climate Science Center in Anchorage and the lead author of the study.

As the earth continues to warm due to the buildup of greenhouse gases, heat waves are expected to become more severe, particularly for cities, where concrete and a dearth of trees create what's known as the urban heat island effecAs the earth continues to warm due to the buildup of greenhouse gases, heat waves are expected to become more severe, particularly for cities, where concrete and a dearth of trees create what's known as the urban heat island effecas the urban heat island effect.

In its first case confronting global warming, the U.S. Supreme Court ruled in April that greenhouse gases such as carbon dioxide are air pollutants that the Environmental Protection Agency can regulate.

Charlie's research told him that during El Niño weather cycles, the surface seawaters in the Great Barrier Reef lagoon, already heated to unusually high levels by greenhouse gas — induced warming, were being pulsed from a mass of ocean water known as the Western Pacific Warm Pool onto the reef's delicate living corals.

As well as releasing greenhouse gases that warm the planet, burning fossil fuels gives off large quantities of polluting chemicalAs well as releasing greenhouse gases that warm the planet, burning fossil fuels gives off large quantities of polluting chemicalas releasing greenhouse gases that warm the planet, burning fossil fuels gives off large quantities of polluting chemicals.

While a strong El Niño provided a boost to global temperatures last year, the main driver of the planet's temperature surge, as well as other climate trends, is the warming caused by the buildup of greenhouse gases in the atmosphere.

Their findings: natural influences such as changes in the amount of sunlight or volcanic eruptions did not explain the warming trends, but the results matched when increasing levels of greenhouse gas emissions were added to the mix.

Warming of arctic soils and thawing of permafrost thus can have substantial consequences for the global climate, as the large C and N stores could be released to the atmosphere as the greenhouse gases carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O).

The scheme, which allows European companies to trade their emissions of carbon greenhouse gases, was designed as a cost - effective, economically liberal solution to global warming.

The research suggests that — contrary to some prior findings — CO2 led the prior round of global warming rather than vice versa, just as it continues to do today thanks to rising emissions of CO2 and other greenhouse gases.

Interior Secretary Dirk Kempthorne, however, made clear several times during a press conference announcing the department's decision that, despite his acknowledgement that the polar bear's sea ice habitat is melting due to global warming, the ESA will not be used as a tool for trying to regulate the greenhouse gas emissions blamed for creating climate change.

While the ECS factors in such «fast» feedback effects as changes in water vapor — water itself is a greenhouse gas, and saturates warm air better than cold — they argued that slow feedbacks, such as changes in ice sheets and vegetation, should also be considered.

U.S. scientists say the evidence linking rising levels of greenhouse gases and global warming is as strong as the link between smoking and lung cancer

A surprising recent rise in atmospheric methane likely stems from wetland emissions, suggesting that much more of the potent greenhouse gas will be pumped into the atmosphere as northern wetlands continue to thaw and tropical ones to warm, according to a new international study led by a University of Guelph researcher.

But they are very sensitive to changes in ocean chemistry resulting from greenhouse gas emissions, as well as to coastal pollution, warming waters, overdevelopment, and overfishing.

The researchers find that «ocean - driven melt is an important driver of Antarctic ice shelf retreat where warm water is in contact with shelves, but in high greenhouse - gas emissions scenarios, atmospheric warming soon overtakes the ocean as the dominant driver of Antarctic ice loss.»

As the climate warms, warmer temperatures and more open water will mean more water vapour entering the atmosphere — itself a powerful greenhouse gas.

Wind strength varies from year to year, but greenhouse gases, such as CO2, act like an amplifier to Antarctic coastal winds, boosting their intensity and allowing them to bring up warm water from the depths more frequently.

As the region warms due to increased greenhouse - gas emissions, ice melts, reducing Antarctica's elevation over centuries or thousands of years.

Without any action, the world is on track to achieve at least 4 degrees C warming of global average temperatures by 2100, as the world hits 450 parts - per - million of greenhouse gases in 2030 and goes on to put out enough greenhouse gas pollution to achieve as much as 1300 ppm by 2100.

Yet, chlorofluorocarbons, to give them their proper name, are potent molecules that both exacerbate the blanket of greenhouse gases warming the world as well as chew up the stratospheric ozone layer protecting the planet's inhabitants from excess doses of ultraviolet sunlight.

Pokorny's work, coupled with a controversial new theory called the «biotic pump,» suggests that transforming landscapes from forest to field has at least as big an impact on regional climate as greenhouse gas — induced global warming.

As average U.S. temperatures warm between 3 °F and more than 9 °F by the end of the century, depending on how greenhouse gas emissions are curtailed or not in the coming years, the waves of extreme heat the country is likely to experience could bend and buckle rails into what experts call «sun kinks.»

One of the world's most ambitious laws to combat global warming survived a challenge on Tuesday as California voters overwhelmingly rejected a measure that would have put the state's plans for more renewable energy and a market to curb greenhouse gases on ice.

After the failure of federal climate legislation in Congress this year, the fate of California's law was viewed as a US turning point — either away from addressing global warming or toward stronger action to curb greenhouse gases.

From the basic physics of the atmosphere, scientists expect that as the planet heats up from ever - mounting levels of greenhouse gases, net global precipitation will increase because a warmer atmosphere holds more moisture.

Kyoto regulates all sources of carbon dioxide as well as other greenhouse gases, but reliable long - term data by country are available only for carbon dioxide from burning fossil fuels (which accounts for about two - thirds of the human contribution to global warming).

«The prevailing thinking has been that as the oceans warm due to increasing atmospheric greenhouse gases, the oxygen content of the oceans should decline,» Thunell says.

Whereas the greenhouse gases already in the atmosphere will contribute to warming the planet for many decades to come, Ramanathan says, the good news about warming agents such as black carbon is that they don't linger in the atmosphere for more than a few weeks.