Sentences with phrase «increasing global emissions of carbon dioxide»

Not exact matches

He also models the global warming that would occur if concentrations of greenhouse gases in the atmosphere were to be doubled (due to increases in carbon dioxide and methane emissions from dragons and the excessive use of wildfire).
The ability of the oceans to take up carbon dioxide can not keep up with the rising levels of greenhouse gases in the atmosphere, which means carbon dioxide and global temperatures will continue to increase unless humans cut their carbon dioxide emissions.
«If ozone continues to increase, vegetation will take up less and less of our carbon dioxide emissions, which will leave more CO2 in the atmosphere, adding to global warming,» Sitch says.
«Recent advances in understanding coral resilience are essential to safeguard coral reefs: A review of the literature points to the importance of reducing global carbon dioxide emissions in addition to protecting or augmenting resilience mechanisms in the face of increased frequency of climate change impacts..»
Critics argue that albedo modification and other «geoengineering» schemes are risky and would discourage nations from trying to reduce their emissions of carbon dioxide, the heat - trapping gas that comes from the burning of fossil fuels and that is causing global warming by absorbing increasing amounts of energy from sunlight.
As emissions from human activities increase atmospheric carbon dioxide, they, in turn, are modifying the chemical structure of global waters, making them more acidic.
Meanwhile, global emissions of carbon dioxide and other greenhouse gases continue to increase, promising far worse to come.
A massive expansion of land use for sugar cane growth in Brazil, and a subsequent increase in ethanol production with the feedstock could reduce global carbon dioxide emissions in the transportation sector by up to 86 percent of 2014 levels, according to research published in the October issue of the journal Nature Climate Change.
Electricity from power plants is responsible for 35 percent of carbon dioxide emissions in America, and this rise in emissions has also contributed to increased global warming.
Rather, conserving Amazonian forests both reduces the carbon dioxide flux from deforestation, which contributes up to a fifth of global emissions, and also increases the resilience of the forest to climate change.
Finally, to revisit the question originally posed @ 203: Assuming the IEO2011 Reference case of «1 trillion metric tons of additional cumulative energy - related carbon dioxide emissions between 2009 and 2035», and given that this case equates to following RCP8.5 until 2035 as previously demonstrated @ 408, what increase in average global surface temperature relative to pre-industrial would result by 2035?
Assuming the IEO2011 Reference case of «1 trillion metric tons of additional cumulative energy - related carbon dioxide emissions between 2009 and 2035», and given that this case equates to following RCP8.5 until 2035 as previously demonstrated @ 408, what increase in average global surface temperature relative to pre-industrial would result by 2035?
A new study by Stanford University atmospheric scientist Mark Jacobson has revealed that worsening air pollution and higher carbon dioxide emissions go hand - in - hand - the results suggest intensifying global warming will increase the number of smog - related deaths.
This is forward going action for getting control of global warming by stopping unneeded GHG emissions increasing the overload of carbon dioxide on the globe while also getting control of water pollution.
Many of the world's leading scientists believe that increased emissions of carbon dioxide since the industrial revolution have led to increased global temperatures and if left unchecked, they threaten to wreak havoc on Earth.
Decarbonizing the world's electricity supply,... would deliver a little less than half the reduction in carbon dioxide emissions necessary by 2035 to limit the eventual increase in global temperatures to two degrees Celsius,... The carbon intensity of electricity has increased by 6 % since 1990, largely due to growing use of coal for power generation in emerging economies, it said.
The key pieces of empirical data are that average global temperature has now failed to increase for 17 years despite an accompanying increase of about 8 % in carbon dioxide which represents 34 % of all the human emissions since the start of the industrial revolution (NIPCC SPM, Figure 6).
The carbon emissions from fossil fuel use might have increased global mean temperature by about one - sixth of one degree, so what's with all the fuss about carbon dioxide?
In order to avoid the most devastating impacts of global warming, climate scientists have warned that emissions of carbon dioxide and other greenhouse gases need to be cut in order to keep the increase in average global temperature to less than 3.6 degrees Fahrenheit (2 degrees Celsius).
Now Raupach and colleagues plan to look at the relationship of emissions to the global carbon dioxide budget, and at continued increases in emissions as a source of Earth system vulnerability.
That's about the same as a 6 percent increase in one year's worth of global carbon dioxide emissions.
Thus, the hypothesis of current global warming as a result of increased emission of carbon dioxide (greenhouse gases) into the atmosphere is not true.
Global warming emerged as a very strong hypothesis in the then - obscure scientific discipline of climate science in the 1980's with mounting empirical data supporting the human role in increases in greenhouse gas emissions, particularly carbon dioxide.
In a sharp change from its cautious approach in the past, the National Academy of Sciences on Wednesday called for taxes on carbon emissions, a cap - and - trade program for such emissions or some other strong action to curb runaway global warming.Such actions, which would increase the cost of using coal and petroleum — at least in the immediate future — are necessary because «climate change is occurring, the Earth is warming... concentrations of carbon dioxide are increasing, and there are very clear fingerprints that link [those effects] to humans,» said Pamela A. Matson of Stanford University, who chaired one of five panels organized by the academy at the request of Congress to look at the science of climate change and how the nation should respond.
The carbon cost of such expansion, however, is low: to bring electricity to those without it would increase global carbon dioxide emissions by less than 1 percent.
«In the event of continuously increasing emissions of carbon dioxide, as assumed in the least favorable scenario, scientists expect a rise in the global mean temperature by up to 4 °C by 2100.
Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gasses, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from Earth.
Global Warming is the increase of Earth's average surface temperature due to effect of greenhouse gases, such as carbon dioxide emissioNs.
Satellites show no warming in the troposphere «Satellite measurements indicate an absence of significant global warming since 1979, the very period that human carbon dioxide emissions have been increasing rapidly.
The researchers discovered a temperature increase of just 1 degree Celsius in near - surface air temperatures in the tropics leads to an average annual growth rate of atmospheric carbon dioxide equivalent to one - third of the annual global emissions from combustion of fossil fuels and deforestation combined.
Global emissions of carbon dioxide (CO2) have increased by almost 50 per cent since 1990 Emissions grew more quickly between 2000 and 2010 than in each of the three previous decades (http://www.un.org/sustainabledevelopment/climate-emissions of carbon dioxide (CO2) have increased by almost 50 per cent since 1990 Emissions grew more quickly between 2000 and 2010 than in each of the three previous decades (http://www.un.org/sustainabledevelopment/climate-Emissions grew more quickly between 2000 and 2010 than in each of the three previous decades (http://www.un.org/sustainabledevelopment/climate-change-2)
And researchers report in the journal Science Advances that unless there are serious reductions in global emissions of carbon dioxide and other greenhouse gases that drive global warming and could trigger catastrophic climate change, the most extreme, once - in -25-years heat waves could increase wet bulb temperatures now at around 31 °C to 34.2 °C.
Global carbon dioxide emissions increased by almost 40 percent between 2000 and 2016, despite a decline of about 10 percent in Europe and North America.
The IEA estimates that carbon dioxide emissions could be reduced to a level that would limit long ‐ term global temperature increases to 2 °C through broad deployment of low ‐ carbon energy technologies, including CCS.
Lead author James Hansen, NASA Goddard Institute for Space Studies, New York, concludes: «If global emissions of carbon dioxide continue to rise at the rate of the past decade, this research shows that there will be disastrous effects, including increasingly rapid sea level rise, increased frequency of droughts and floods, and increased stress on wildlife and plants due to rapidly shifting climate zones.»
«If global emissions of carbon dioxide continue to rise at the rate of the past decade,» said Dr. Hansen, «this research shows that there will be disastrous effects, including increasingly rapid sea level rise, increased frequency of droughts and floods, and increased stress on wildlife and plants due to rapidly shifting climate zones.»
E.g., research assumes greenhouse gas emissions cause warming without explicitly stating humans are the cause»... carbon sequestration in soil is important for mitigating global climate change» (4a) No position Does not address or mention the cause of global warming (4b) Uncertain Expresses position that human's role on recent global warming is uncertain / undefined «While the extent of human - induced global warming is inconclusive...» (5) Implicit rejection Implies humans have had a minimal impact on global warming without saying so explicitly E.g., proposing a natural mechanism is the main cause of global warming»... anywhere from a major portion to all of the warming of the 20th century could plausibly result from natural causes according to these results» (6) Explicit rejection without quantification Explicitly minimizes or rejects that humans are causing global warming»... the global temperature record provides little support for the catastrophic view of the greenhouse effect» (7) Explicit rejection with quantification Explicitly states that humans are causing less than half of global warming «The human contribution to the CO2 content in the atmosphere and the increase in temperature is negligible in comparison with other sources of carbon dioxide emission»»
The United States is the global leader in refining and production of oil and natural gas, while also leading the world in reducing energy - related carbon dioxide emissions — thanks to increased use of natural gas developed with hydraulic fracturing.
Increasing atmospheric carbon dioxide levels and associated global warming are often in the news — for example, coverage of an international environment summit (like that held in Johannesburg in 2002) or of local initiatives to cut carbon dioxide emissions (like «Walk to School Week»), or energy - saving initiatives in school.
Though the greenhouse effect itself is completely natural, and very beneficial, global warming scientists believe that anthropogenic (man - made) emissions of carbon dioxide (mostly from burning fossil fuels) have increased CO2 in the atmosphere to a point where we are now experiencing what could be called an «enhanced greenhouse effect».
Global warming potential in 2030 in the high - growth scenario suggests that short - lived forcing of ~ 4.5 gigatons of black carbon from Arctic shipping may increase the global warming potential due to ships» carbon dioxide emissions (~ 42,000 gigagrams) by some 17 - 78 peGlobal warming potential in 2030 in the high - growth scenario suggests that short - lived forcing of ~ 4.5 gigatons of black carbon from Arctic shipping may increase the global warming potential due to ships» carbon dioxide emissions (~ 42,000 gigagrams) by some 17 - 78 peglobal warming potential due to ships» carbon dioxide emissions (~ 42,000 gigagrams) by some 17 - 78 percent.
While methane and nitrous oxide make up much smaller portions of total greenhouse gas emissions, these gases are still important factors in the climate crisis, in part because they each have stronger global warming effects than carbon dioxide and also because they constitute an increasing portion of total emissions.
(1) Because of a growing concern over the possible consequences of global warming, which may be caused in part by increases in atmospheric carbon dioxide (a major greenhouse gas), and also because of the need for accurate estimates of carbon dioxide emissions, the Energy Information Administration (EIA) has developed factors for estimating the amount of carbon dioxide emitted as a result of U.S. coal consumption.
Global carbon dioxide emissions continue to track the high end of a range of emission scenarios, expanding the gap between current emission trends and the emission pathway required to keep the global - average temperature increase below 2 degrees CeGlobal carbon dioxide emissions continue to track the high end of a range of emission scenarios, expanding the gap between current emission trends and the emission pathway required to keep the global - average temperature increase below 2 degrees Ceglobal - average temperature increase below 2 degrees Celsius.
As global emissions of carbon increase, they raise the levels of carbon dioxide (CO2) in the atmosphere.
That means if plants around the world continue to adjust to rising carbon dioxide concentrations, increasing their biomass on a global scale, they could actually help offset some of our human carbon emissions by removing more carbon dioxide from the air.
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