Climate models forced by assuming
continued emissions of greenhouse gases suggest around 2 - 2.5 deg F (1 - 1.5 deg C) warming by the year 2100, or about 10 % more tropical rainfall.
However, the idea that
continued emissions of greenhouse gases increase the likelihood of catastrophe is entirely consistent with scientific knowledge»
Continued emissions of greenhouse gases will cause further warming and changes in all components of the climate system.
In the time since the 2007 version of this report, the human effect on the climate has grown more than 40 percent stronger, thanks to
continued emissions of greenhouse gases and more precision in measurements, with carbon dioxide leading the charge.
Continued emissions of greenhouse gases will cause further warming and long - lasting changes in all components of the climate system, increasing the likelihood of widespread and profound impacts affecting all levels of society and the natural world, the report finds.
This is exactly the kind of intense wildfire season we can expect as the climate changes thanks to
our continuing emissions of greenhouse gases.
The enhanced Greenhouse Effect we are now measuring is a human fingerprint because the source of it is
the continued emission of greenhouse gases, primarily carbon dioxide, produced by industrial activity.
While it is widely recognized that
continued emission of greenhouse gases will cause further warming of the planet and this warming could lead to damaging economic and social consequences, the exact timing and severity of physical effects are difficult to estimate.
Regardless of approach, all projections indicate an eventual sea ice - free Arctic with
continued emissions of greenhouses gases, threatening the invaluable ecosystem service the Arctic sea ice provides while simultaneously exacerbating global warming.
In the Senate, we are working to design a regulatory framework in the form of a cap - and - trade system that will recognize the real costs of
continued emission of greenhouse gases and shift development toward low - carbon energy production.
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.
Faso said» «the U.S. must
continue to work to lower
greenhouse gas emissions while balancing the needs
of our economy.»
These funds will allow LIPA to re-open its solar rebate program and serve as supplemental funds to support LIPA's
continued investment in solar energy thereby helping to reduce
greenhouse gas emissions, helping customers to lower their bills, and stimulating the economy through the creation
of new clean energy jobs.»
«If the world does not reduce
greenhouse gas emissions,
continued heating could increase the vulnerability
of plants, wildlife, physical features, and cultural resources in the globally unique US national parks.»
Assuming that
greenhouse gas emissions continue to increase, the widespread adoption
of cool roofs in the Los Angeles metropolitan area would offset some
of the warming expected by midcentury, the team reported in 2016 in Environmental Research Letters.
When we mitigate
greenhouse -
gas emissions, we also create huge co-benefits in the nature
of energy security, because if we
continue to increase our consumption
of fossil fuels, we're really going to put pressure on limited resources
of these fossil fuels.
Politics
of deferred gratification Under one
of the additional scenarios, known as RCP 4.5, humans take longer to reduce
greenhouse gas emissions but eventually do so, and under the other, known as RCP 8.5, carbon dioxide concentrations
continue to rise through 2100.
If current trends
continue and the world fails to reduce
greenhouse gas emissions, then severe bleaching will occur every year on 99 per cent
of the world's reefs within the century, according to the study.
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.
Under the worst - case scenario (RCP 8.5), which assumes that
greenhouse gas emissions continue to rise throughout the 21st century, the authors show the potential for extremely large net increases in temperature - related mortality in the warmer regions
of the world.
Udall and Overpeck found all current climate models agree that temperatures in the Colorado River Basin will
continue rising if the
emission of greenhouse gases is not curbed.
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 these rates
continue,
emissions of methane, a
greenhouse gas 25 times more powerful than carbon dioxide on 100 - year time scales, will increase 4 percent over the next decade.
«There is the potential for the U.S. and other countries to
continue to rely on coal as a source
of energy while at the same time protecting the climate from the massive
greenhouse gas emissions associated with coal,» says Steve Caldwell, coordinator for regional climate change policy at the Pew Center on Global Climate Change, an Arlington, Va., think tank.
It takes a long time for the ocean to respond to increasing heat, so even if
greenhouse gas emissions dropped to zero tomorrow, the world's seas would
continue to rise for centuries because
of the warming that's already happened.
In a paper published this month in Geophysical Research Letters, Lovejoy concludes that a natural cooling fluctuation during this period largely masked the warming effects
of a
continued increase in human - made
emissions of carbon dioxide and other
greenhouse gases.
A few
of the main points
of the third assessment report issued in 2001 include: An increasing body
of observations gives a collective picture
of a warming world and other changes in the climate system;
emissions of greenhouse gases and aerosols due to human activities
continue to alter the atmosphere in ways that are expected to affect the climate; confidence in the ability
of models to project future climate has increased; and there is new and stronger evidence that most
of the warming observed over the last 50 years is attributable to human activities.
Since levels
of greenhouse gases have
continued to rise throughout the period, some skeptics have argued that the recent pattern undercuts the theory that global warming in the industrial era has been caused largely by human - made
emissions from the burning
of fossil fuels.
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.
And yet, India and China remain two countries where
emission rates
of greenhouse gases continue to rise, driven mostly by economic growth, Eltahir says.
«Global deployment
of advanced natural
gas production technology could double or triple the global natural
gas production by 2050, but
greenhouse gas emissions will
continue to grow in the absence
of climate policies that promote lower carbon energy sources.»
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.
Continuing widespread use
of coal and low - grade diesel fuel, which also produce fine particles
of soot, leaves China's record as the world's largest single source
of man - made
greenhouse gas emissions unchallenged.
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.
With the human population
continuing to rise by 75 million or more per year and with torrid economic growth in much
of the developing world, the burdens
of deforestation, pollution,
greenhouse gas emissions, species extinction, ocean acidification and other massive threats intensify.
Yet despite all the complexities, a firm and ever - growing body
of evidence points to a clear picture: the world is warming, this warming is due to human activity increasing levels
of greenhouse gases in the atmosphere, and if
emissions continue unabated the warming will too, with increasingly serious consequences.
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.
By the end
of this century, the annual probability
of Hurricane Harvey's record rainfall returning to Texas will rise to 18 percent, if the growth
of greenhouse gas emissions to the atmosphere
continues unmitigated.
Harmful
greenhouse gas emissions should
continue to fall in industrialized countries and recent signs
of decline in China should
continue, but
emissions are set to rise in India, southeast Asia and Africa as energy demand growth dwarfs efforts to improve air quality.
«There is the potential for the U.S. and other countries to
continue to rely on coal as a source
of energy while at the same time protecting the climate from the massive
greenhouse gas emissions associated with coal,» says Steve Caldwell, coordinator for regional climate change policy at the Pew Center on Global Climate Change, a Washington, D.C. think tank.
The papal visit will also coincide with the start
of the Republican party's nomination race for presidential candidates, posing a serious challenge to conservatives who
continue to deny the warnings
of climate science or oppose efforts to limit
greenhouse gas emissions.
Stable atmospheric concentrations
of greenhouse gases would lead to
continued warming, but if carbon dioxide
emissions could be eliminated entirely, temperatures would quickly stabilize or even decrease over time.
The letter notes that «Stable atmospheric concentrations
of greenhouse gases would lead to
continued warming, but if carbon dioxide
emissions could be eliminated entirely, temperatures would quickly stabilize or even decrease over time.
Objectors often claim unfair benefits are given to the worst polluters, and that trading schemes obfuscate from the real problem — the excess
of greenhouse gas emissions that
continue to perpetuate global warming.
(1)
continue to actively promote, within the International Civil Aviation Organization, the development
of a global framework for the regulation
of greenhouse gas emissions from civil aircraft that recognizes the uniquely international nature
of the industry and treats commercial aviation industries in all countries fairly; and
Meanwhile, global
emissions of carbon dioxide and other
greenhouse gases continue to increase, promising far worse to come.
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.
«In the face
of natural variability and complexity, the consequences
of change in any single factor, for example
greenhouse gas emissions, can not readily be isolated, and prediction becomes difficult... Scientific uncertainties
continue to limit our ability to make objective, quantitative determinations regarding the human role in recent climate change, or the degree and consequence
of future change.»
From his own research in chemical oceanography, along with data from a number
of recent studies, Weber points out that some negative consequences
of greenhouse gas emissions and warming «are manifesting faster than previously predicted,» including ocean acidification and oxygen loss, which are expected to affect «a large fraction
of marine species if current trends
continue unchecked.»
Lamar thinks «the debate should
continue» — as though the few imposters and sell - outs who doubt climate science are equal to the vast amounts
of international science that calls for action to reduce
greenhouse gas emissions.