Sentences with phrase «important cause of climate change»

Not exact matches

«A full reading of Bernstein's email reveals an important point ---- his assertion that, in the 1980s, we never denied the possible role of human activity as a cause for climate change, and he further makes clear that, at that point in time, there was a great deal of uncertainty and lack of understanding of climate change, even among leading scientists and experts,» said Keil, adding that today, Exxon «believes the risk of climate change is clear, and warrants action.»
The BBC team used clever analogies and appealing graphics to discuss three key numbers that help clarify important questions about climate change: 0.85 degrees Celsius — how much the Earth has warmed since the 1880s; 95 % — how sure scientists are that human activity is the major cause of Earth's recent warming; and one trillion tons — the best estimate of the amount of carbon that can be burned before risking dangerous climate change.
Understanding these unique areas is important because there are many examples of naturally occurring hybrid zones, and new hybrid zones will form in the future as climate change and human impacts cause species distributions to shift and come into contact.
Dr Sue Ward, the Senior Research Associate for the project at Lancaster University, said: «Peat is one of the earth's most important stores of carbon, but one of the most vulnerable to changes in climate and changes in vegetation caused by both climate and land management.
«This finding,» says Zhang, «provides important insights into patterns of oceanic environmental change and their underlying causes, which were ultimately linked to intense climate warming during the Early Triassic.»
The findings are important in the context of human - caused climate change, which is expected to increase nitrogen, and potentially nitrate, levels in tundra soil.
For example, the criticisms of James Hansen's 1988 global warming projections never go beyond «he was wrong,» when in reality it's important to evaluate what caused the discrepancy between his projections and actual climate changes, and what we can learn from this.
Now the Robert Rauschenberg Foundation, which he set up to provide support for causes that were important to him, is joining forces with two other like - minded organizations to present a series of exhibitions, panel discussions and performances that will explore climate change.
Although the direct heat increase is not enough to cause much climate change, the indirect influence of solar activity on cloud cover, wind and rain patterns may be large enough to have an important impact.
When you add up that there is more methane being emitted than E.P.A. has estimated, that methane is responsible for up to half of all the greenhouse gas emissions for the entire US, and that each unit of methane emitted is far more important in causing global climate change over the critical few decades ahead, it should be clear that bridge - fuel argument just doesn't hold up.
That some economists took some time to list them is great, but the implication behind Lomborg's «list» is that these are more important than man - made climate change (Lomborg, BTW, says man is causing climate change and that CO2 emissions are behind a lot of it).
Rather than focussing on the important but inherently incremental developments in the science behind the issue, the media would do us all a favor by maintaining a consistent message regarding the underlying issue (i.e. human action is causing climate change, and climate change has the potential to do great harm to our way of life) and focus on how ordinary people can take steps in their own lives to help address the problem in ways that don't require inordinate sacrifice.
It's also important to remember that clarifying the causes and consequences of the last century's climate changes is just a small part of the overall picture illuminating rising risks from the unrelenting buildup of greenhouse gases.
It's important to remember that SRM technologies bring risks of their own and do not address rising greenhouse gas emissions, which are the root cause of both climate change and ocean acidification.
University of Florida researcher Edward Schuur says he doesn't expect permafrost greenhouse gas emission to trump anthropogenic (human - caused) greenhouse gas emissions anytime soon, however they could become «an important amplifier of climate change
By leaving out very important components of the climate system they increase the likelihood of a human signal being the cause of change.
But merely enumerating the strength of consensus around the fact that humans cause climate change is largely irrelevant to the more important business of deciding what to do about it.
Hulme also suggested that, in reference to a paper by John Cook, «merely enumerating the strength of consensus around the fact that humans cause climate change is largely irrelevant to the more important business of deciding what to do about it.»
Changes in atmospheric composition from human activities are the main cause of anthropogenic climate change by enhancing the greenhouse effect, although with important regional effects from aerosol particulates (IPCC 2007).
Second, cumulative emissions are particularly important, because it is the accumulated stock of GHGs in the atmosphere that cause climate change.
Heartland has made important contributions to the scientific debate over the causes and consequences of climate change.
By selectively leaving out important components of the climate system, likelihood of a human signal being the cause of change is guaranteed.
The debate over the causes and consequences of climate change is one of the world's most important discussions.
«Most scientists now regard anthropogenic (human - caused) global climate change to be the most important environmental issue of our times.»
Hypothesis 2b: Although the natural causes of climate variations and changes are undoubtedly important, the human influences are significant and are dominated by the emis - sions into the atmosphere of greenhouse gases, the most important of which is CO2.
... incomplete and misleading because it 1) omits any mention of several of the most important aspects of the potential relationships between hurricanes and global warming, including rainfall, sea level, and storm surge; 2) leaves the impression that there is no significant connection between recent climate change caused by human activities and hurricane characteristics and impacts; and 3) does not take full account of the significance of recently identified trends and variations in tropical storms in causing impacts as compared to increasing societal vulnerability.
It's particularly important to account for all potential health benefits realized thanks to implementation of a federal regulation aimed at climate change mitigation since health co-benefits make up the majority share of near - term economic benefits caused by carbon pollution reduction.
Hypothesis 2a: Although the natural causes of climate variations and changes are undoubtedly important, the human influ - ences are significant and involve a diverse range of first - order climate forcings, includ - ing, but not limited to, the human input of carbon dioxide (CO2).
For example, the criticisms of James Hansen's 1988 global warming projections never go beyond «he was wrong,» when in reality it's important to evaluate what caused the discrepancy between his projections and actual climate changes, and what we can learn from this.
Before discussing tornadoes, it is important to note that it is scientifically uncontroversial to conclude that climate change is causing more violent weather particularly in the form of: (a) more damaging thunder storms, (b) the kind of devastating flooding we have seen this year in Australia, Pakistan, Brazil, Columbia, Venezuela, along the Mississippi and the Tennessee valleys, and (c) more severe droughts such as those experienced this year in China, Brazil, and Texas.
The claim that 2014 was the warmest on record was politically important for proponents of the Intergovernmental Panel on Climate Change (IPCC) story that human CO2 was causing global warming.
Climate change - driven impacts are one of many important causes of poverty.
This important new book lays bare and refutes the claim that there is a «scientific consensus» on the causes and consequences of climate change... [I] t's a breath of fresh air that this book has been published to coincide with the Kabuki theatre happening right now in Paris at COP - 21.
«That's important for understanding causes of megadroughts, and it's important for climate modelers to test hypotheses of climate forcing and change
Only 12 % of U.S. wildfires are ignited by natural causes, but these account for 52 % of the acres burned [10], so even a small climate change in lightning flash rate has important consequences.
Only 12 % of U.S. wildfires are ignited by natural causes, but these account for 52 % of the acres burned, so even a small climate change in lightning may have important consequences.
Fuel combustion — fossil fuel combustion in high - income and middle - income countries» is a key driver of pollution and that «coal is the world's most polluting fossil fuel, and coal combustion is an important cause of both pollution and climate change
We not only agree, but have dozens of examples of how great American bird conservation projects make considerable, sometimes unexpected contributions to other important causes including amphibian conservation, human health, food safety, climate change, water conservation, and home energy savings.
On the basis of current evidence about the observed impacts of climate change on environmental conditions, climate change will be an increasingly important cause of human insecurity globally in the future.
While you acknowledged that the climate is changing and that humans are having an impact on it, it is critically important that you understand that emissions of carbon dioxide and other greenhouse gases are the primary cause.
Important current examples of issues for which a strong scientific consensus exists, include human - caused climate change (Anderegg et al 2010, Cook et al 2016), and the safety of the MMR vaccine (Taylor et al 1999, DeStefano and Thompson 2004).
Within that group they determined how many scientists really did agree with the most important IPCC conclusion, namely that humans are causing significant climate change — in other words the key parts of WG I.
According to the proposed rule, climate change is the most important threat to these key ocean species, with more than 97 percent of reefs predicted to experience severe thermal stress, which can cause massive bleaching and mortality, by 2050.
«Exxon's goal of putting off as long as possible any investigation into the critically important question of whether Exxon broke the law and deceived consumers and investors about the role of its products in causing climate change
Efficiency is very important in the case of fossil fuel power stations because fossil fuels are a finite resource — once we use them they are gone — and when burned they produce carbon dioxide and other substances that kill people and cause climate change and ocean acidification; so it is very important to get as much electricity as we possibly can per tonne of fossil fuel.
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»»
There is no consensus on some of the most important issues involved in assessing human - caused climate change, including atmospheric sensitivity, the most important factor.
But the lack of statistically significant results and, more important, the absence of evidence pointing to a smoking gun — a physical mechanism in the climate system that ties Arctic changes to extreme events — has left many top climate researchers unconvinced that rapid Arctic warming is a major player in causing extreme weather events outside of the Arctic itself.
We will know what causes changes in cloud behavior and the effects of those changes as soon as we have the will to invest in the instruments necessary to give us reliable and detailed information about what is important for climate in those changes.
Hans Bruyninckx, the director of the agency, said that climate change is an «increasingly important factor» in the damages caused by flooding, but part of the problem can also be attributed to a denser population living in flood - prone areas.
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