Higher emissions of greenhouse gases will lead to larger warming, and greater risks to society and ecosystems.
Increased cooling means increased consumption of electrical power and therefore
higher emissions of greenhouse gases into the atmosphere, driving global warming even faster.
Each model simulated a «control climate,» for the years 1981 to 2000, as well as a «warm climate,» for the years 2081 to 2100, assuming relatively
high emissions of greenhouse gases.
It's time religious leaders take a stand against fossil fuels With the moral issues in mind, Christiana Figueres, the executive secretary of the UN Framework Convention on Climate, called upon all religious leaders to take a public stand against fossil fuels, whose
high emissions of greenhouse gases are said to increase the rate of climate change.
Not exact matches
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.»
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?
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.
«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.
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.
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.
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.
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.
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.
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.
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.
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.
- On any given day, 20 percent
of Americans account for nearly half
of U.S. diet - related
greenhouse gas emissions, and
high levels
of beef consumption are largely responsible, according to a new study from researchers at the University
of Michigan and Tulane University.
«The average per capita resource use in wealthy countries is 5 to 10 times
higher than in developing countries, and the developed countries are responsible for over three quarters
of cumulative
greenhouse gas emissions from 1850 to 2000.»
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.
Conclusion: Total moisture available for this extreme event was 1 % to 5 %
higher as a result
of anthropogenic
greenhouse gas emissions.
They looked at each
of those conditions through, first, a business - as - usual lens that assumes a lack
of international climate - policy action with continued
high rates
of greenhouse gas emissions and, second, an optimistic scenario
of reduced
emissions with climate change policy interventions.
«Wherever you have a
high dominance
of natural
gas, that is where you improve on the total
greenhouse gas emissions.»
«Tiny grains
of rice hold big promise for
greenhouse gas reductions, bioenergy: Discovery delivers
high starch content, virtually no methane
emissions.»
Hydrogen is an excellent fuel which, due to its
high energetic density and zero
greenhouse gas emission, is essential in a great number
of industrial processes.
Application is an environmental issue in industrialized countries like the United States because
of high energy input, increased
greenhouse gas emissions, water pollution and other adverse effects on ecosystems and human health.
Airplanes emit roughly 12 percent
of the man - made
greenhouse gas emissions from transportation, but they are among the fastest growing sources and, potentially, the most damaging because
of their release
higher in the atmosphere.
Thawing permafrost has potentially damaging consequences, not just for
greenhouse gas emissions, but also the stability
of buildings located in
high - latitude cities.
If
greenhouse gas emissions continue on their current trend, the rate
of warming will reach 0.7 °F per decade and stay that
high until at least 2100.
Global rates
of temperature change in
high and declining
greenhouse gas emission scenarios.
Meat production overall — largely from beef, but also including pork and chicken — accounted for 70 percent
of the
greenhouse gas emissions in the
highest - impact group, but only 27 percent in the lowest - impact group.
About 90 percent
of global trade in goods travels by ship, and the vessels together emit about as much
greenhouse gases as Germany, the nation with the sixth -
highest emissions in the world.
Companies and institutions
of higher education area also voluntarily cutting
greenhouse gas emissions.