Sentences with phrase «of high greenhouse gas»

The area of near - surface permafrost in the Northern Hemisphere is projected to decline by 20 % relative to today's area by 2040, and could be reduced by as much as two - thirds by 2080 under a scenario of high greenhouse gas emissions.

It takes decades for even the most immediate result of higher greenhouse gas levels — a rise in surface temperatures — to become apparent.

Not exact matches

«We would agree that Alberta's historic focus on maximizing oilsands production... rather than optimizing production on the highest quality ore may be having unnecessary environmental impacts on things like greenhouse gas intensity and tailings production and lowering returns to Albertans as the owners of the resource,» said Simon Dyer of the Pembina Institute, a clean energy think - tank.

China continues to lead in the ranking of the world's top 40 renewable energy markets, despite its continuing high greenhouse gas emissions and dependence on coal.

«We can in fact help other parts of the world reduce their greenhouse gas emissions dramatically by providing them with lower - carbon fuels in other parts of the world where they are using very high - carbon fuels like coal.»

Tending to the soil increases the amount of greenhouse gasses sequestered, and means healthier plants with higher yields.

Through the project's greenhouse gas accounting, build local awareness about the value of maintaining and restoring forest cover, and improve the desirability of maintaining shade coffee over cattle ranching or other activities with a higher ecological impact.

The world's food security would be ensured even with over 9 billion people in 2050, agricultural land area would not increase, greenhouse gas emissions would be lowered and the negative effects of today's intensive food systems, such as nitrogen surplus and high pesticide exposure, would be greatly reduced.

Traits targeted for improvement include higher nutritional quality; tolerance of pests, diseases, and environmental stresses, such as flood and drought; and reduced greenhouse gas emissions.

Meat production is responsible for 14.5 per cent of global greenhouse gas emissions, according to the United Nations Food and Agricultural Organization, with some scientists saying the percentage is higher.

Greenhouse gases rose slightly each year between 2013 and 2015, when they reached 98.3 million tons, 11 percent higher than 1990 levels, said Bill Drumheller, who tracks the state's emissions at the Washington Department of Ecology.

The number of days each year above 95 ° Fahrenheit (35 ° Celsius) is expected to rise across the United States, and average summer temperatures will reach new heights if greenhouse gas emissions remain high.

That's why we have to look at the balance in terms of what is cheaper: Can we reduce emissions of greenhouse gases today so that we can stabilize the earth's climate, rather than adapt to the impacts of climate change and incur much higher costs over a period of time?

Meanwhile, researchers were showing that besides soil and water contamination, hog CAFOs emit high volumes of the potent greenhouse gas methane (pound for pound, hog manure produces twice the methane of cattle manure) and ammonia, which has been linked to respiratory ailments.

Headed toward an 8 F rise in warming Other such low - probability but high - risk scenarios mentioned in the report include ecosystem collapses, destabilization of methane stored in the seafloor and rapid greenhouse gas emissions from thawing Arctic permafrost.

From climate campaigners to high - level diplomats, those who are committed to fighting global warming say making a strong agreement in Paris next year that radically reduces levels of greenhouse gas emissions is critical.

They don't need as much space as livestock, emit lower levels of greenhouse gases, and have a sky - high feed conversion rate: a single kilogram of feed yields 12 times more edible cricket protein than beef protein.

«Globally, beef production can be taxing on the environment, leading to high greenhouse gas emissions and land degradation,» said Jason Rowntree, MSU associate professor of animal science, who led the study.

Yet the analysis shows that even with higher gas prices, coal plants still fail to be economically competitive under the new greenhouse gas rule, which requires that fossil plants not exceed emission rates of 1,000 pounds of CO2 per megawatt - hour.

Algae production consumes more energy, has higher greenhouse gas emissions and uses more water than other biofuel sources, like corn, switch grass and canola, Clarens and his colleagues found by using a statistical model to compare growth data of algae with conventional crops.

Methane is a key greenhouse gas; the Arctic is a key region for natural emissions of methane; high summer and autumn are key periods when emissions can peak and change rapidly.

Yet the practice is widespread, in part because oil prices have been much higher in recent years and because it is hard to find new multimillion barrel reservoirs these days, especially in the picked over U.S. Denbury, based in Plano, Texas, controls more than 1,000 miles of CO2 pipelines and has published reserves of 17 trillion cubic feet of the greenhouse gas, used to pump more than 70,000 barrels of oil a day.

Professor David Schultz, one of the authors of the guest editorial, said: «One of the long - term effects of climate change is often predicted to be an increase in the intensity and frequency of many high - impact weather events, so reducing greenhouse gas emissions is often seen to be the response to the problem.

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.

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.

Speaking at the start of an Environment and Public Works Committee hearing where he is the second highest - ranking member, the Montana Democrat said he wanted to weaken the bill's 2020 target for greenhouse gas emissions — now 20 percent below 2005 levels.

Decades of climate change bring risks that people will accept higher temperatures, with more heatwaves, downpours and droughts, as normal and complicate government plans to do more to cut emissions of greenhouse gas emissions.

«Our study shows that many of these deaths can be averted by limiting greenhouse gas emissions and pursuing measures to help people adapt to high temperatures.»

The high spatial and temporal resolution of the SWITCH model permits an assessment of the energy generation, resource demands, and greenhouse gas emissions that come with different mixes of energy generation and distribution choices» says Daniel Kammen.

At the height of the last interglacial, when greenhouse - gas levels were roughly similar to current values, the global sea level was 4 - 6 metres higher than it is today.

But current methods to desalinate water come at a very high cost in terms of energy, which means more greenhouse gases and more global warming.

The first, tentative models suggest that extracting large amounts of energy from high - altitude jet streams would cool the planet, counteracting the effects of rising greenhouse gases.

In his new paper, Lovejoy applies the same approach to the 15 - year period after 1998, during which globally averaged temperatures remained high by historical standards, but were somewhat below most predictions generated by the complex computer models used by scientists to estimate the effects of greenhouse - gas emissions.

And ozone, which forms a beneficial shield against ultraviolet radiation when high in the stratosphere, is an efficient greenhouse gas when it appears at airliner altitudes — as it increasingly does, since it too is a by - product of fossil fuel burning.

At higher temperatures, less of the gas is absorbed, and the ocean releases more carbon dioxide into the air, contributing to a runaway greenhouse effect.

The 80 minutes of occasionally spirited argument at the high court this morning focused on the two main issues in the greenhouse gas litigation: For the case to go forward, the plaintiffs must prove that the case has legal standing (they must show that the court is the right venue for resolving this dispute), and that the common law definition of nuisance can support suits over greenhouse gases.

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.»

The biologists predict that a temperature rise of 1 degree Celsius leads to 6 - 20 percent higher emission of methane bubbles, which in turn leads to additional greenhouse gases in the atmosphere and to an additional temperature increase.

Greenhouse gas release has been linked overwhelmingly, at least up until recently, to the high - consumption habits of the industrial nations.

This year has already brought higher temperatures than normal nation - wide, and that trend is expected to continue, in part due to global warming which is caused by rising concentrations of greenhouse gases in the atmosphere.

Conventional processing methods use a high - temperature blast furnace to heat the iron ore and other compounds to remove oxygen and yield a desired alloy, a method that creates a lot of carbon dioxide, according to a report last year from U.S. EPA on greenhouse gas emissions from the iron and steel sector.

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

Saunders also defended the study's use of medium - to - high emissions estimates from the IPCC, saying he expects the international body to issue even higher greenhouse gas predictions in its next five - year study, in 2012.

When this model was then applied to the future, they found that in a world of continuing high greenhouse gas emissions, the threshold for widespread drought - induced vascular damage would be crossed and initiate widespread tree deaths on average across climate model projections in the 2050s.

The world could cut greenhouse emissions by fracking for gas and replacing coal - fired power stations, but use of gas could then lock us into a high - carbon future.

Increased cooling means increased consumption of electrical power and therefore higher emissions of greenhouse gases into the atmosphere, driving global warming even faster.

Meat accounted for 70 percent of the food - associated greenhouse gas emissions in the highest - impact group but only 27 percent in the lowest - impact group.

«A big take home message for me is the fact that high - impact diets are such a large part of the overall contribution to food - related greenhouse gases,» said U-M researcher Martin Heller, first author of a paper scheduled for publication March 20 in the journal Environmental Research Letters.

The most contentious issue this year was whether to highlight economic groupings of nations, such as high or low income, and illustrations showing how each group was contributing to the growth of greenhouse gas emissions were particularly controversial.

«Sparing tracts of land as natural habitat is much better for the vast majority of species than a halfway house of lower - yielding but «wildlife - friendly» farming, and we have recently shown that in the UK land spared through high - yield farming could even sequester enough greenhouse gases to mitigate the UK's agricultural emissions *,» said Balmford.