For CO2 to
cause dangerous warming it must cause an increase in atmospheric humidity.
The existing anthropogenic excess of atmospheric CO2 is self - evidently already
causing dangerous warming so we do need to draw it down to preindustrial levels as quickly as possible.
But it is true that some of the fossil - fuel funded groups that formerly argued that there is no global warming have reacted to criticism by changing their argument to «the climate is always changing,» as if that somehow disproves the scientific consensus that human greenhouse - gas emissions are
causing dangerous warming.
700 climate scientists, 31,000 American scientists and 48 % of US meteorologists say there is no evidence that humans are
causing dangerous warming or climate change.
In the conclusion to his «Plan B» chapter (p 228), Bob Carter writes: «It is therefore time to move away from stale «he - says - she - says» arguments about whether human carbon dioxide emissions are
causing dangerous warming, and on to designing effective policies of hazard management for all climate change, based on adaptation responses that are tailored for individual countries or regions... By their very nature, strategies that can cope with the dangers and vagaries of natural climate change will readily cope with human - caused change too should it ever become manifest.»
We've just spent billions disconfirming the hypothesis that anthro - CO2
causes dangerous warming.
Not at all, and I don't think anything I wrote actually implied that we're not
causing dangerous warming.
Not exact matches
Many governments believe that holding the average global temperature rise
caused by man - made
warming to 2 degrees Celsius above preindustrial levels gives the world the best chance to avoid
dangerous climate change.
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.
• GLOBAL
WARMING Physicist Richard A. Muller, although convinced that climate change is real, potentially
dangerous and probably
caused in part by humans, has disagreed with many climate scientists, asserting that their measurements and analyses are deeply flawed.
For climate scientists who are skeptical that anthropogenic greenhouse gas emissions will
cause a
dangerous amount of
warming, such as Richard Lindzen and Roy Spencer, their skepticism hinges mainly on this cloud cover uncertainty.
Is there
dangerous, human -
caused global
warming affecting the climate of the continental U.S.?
In the light of this perhaps I should rephrase my question to — Do you think that a
dangerous thermal event like the Eocene is probable with the degree of
warming from anthropogenic
causes?
It does not mean that human -
caused global
warming is not potentially
dangerous... just read the published body of research since 1842... or better yet talk to research scientists who are actively publishing in this like I talk to them weekly.
The study concluded that human emissions of carbon dioxide (CO2)
cause dangerous global
warming.
That means wildfires are a
dangerous amplifying feedback, whereby global
warming causes more wildfires, which release carbon dioxide, thereby accelerating global
warming.
A human that
causes global
warming is more
dangerous than natural
causes of global
warming.
Much of what they said meshed with the overall theme of the meeting, which organizers said was aimed at proving that the recent consensus on
dangerous human -
caused global
warming was shaped more by politics and passion than data.
In the light of this perhaps I should rephrase my question to — Do you think that a
dangerous thermal event like the Eocene is probable with the degree of
warming from anthropogenic
causes?
The trigger was an e-mail chain maintained by Benny J. Peiser, a British social scientist who sends out daily summaries of research questioning
dangerous human -
caused global
warming and international climate treaties, along with other subjects.
Black carbon is the second largest
cause of global
warming, and this bill will ensure that we have the information we need to address this
dangerous pollutant.»
It does not mean that human -
caused global
warming is not potentially
dangerous... just read the published body of research since 1842... or better yet talk to research scientists who are actively publishing in this like I talk to them weekly.
A central dispute was over how scientists can best discuss risks and responses related to inherent, and
dangerous, extremes of climate in a world increasingly fixated on how to limit global
warming caused by human activity.
For a 2003 story on the politicization of climate science, for example, I interviewed Patrick J. Michaels, a University of Virginia climatologist and outspoken critic of the mainstream view that human -
caused warming is
dangerous.
The actual observed effects of the
warming that has already occurred, as a result of the greenhouse gases we have already emitted, are self - evidently already «
dangerous» since they are already
causing massive and costly harm.
So just because CH4 doesn't all go into the atmosphere or doesn't seem to be the light - sleeping irracible dragon we made it out to be (which we are compulsively poking with our CO2 emission -
caused warming), doesn't mean it isn't
dangerous.
Unlike these climate scientists, who have solid evidence that humans are not
causing the majority of
warming and / or the
warming is not
dangerous, Galileo and his fellow helieocentrists did not have a shred of evidence to back up the claim.
I am convinced next Monday there will be a newspaper explaining the cold and the snow was
caused by» extremely
dangerous human induced runaway global
warming as the driver of climate change».
I regret deeply that the attacks on me now appear to have spilled over onto other scientists who have dared to question the degree to which human activities might be
causing dangerous global
warming, a topic that ought rightly be the subject of rigorous open debate, not personal attack.
«There is no convincing scientific evidence that human contribution to greenhouse gases is
causing dangerous global
warming,» it stated in an official declaration in 2009.
How
dangerous it is to question the ruling paradigm of human
caused global
warming, a once interesting idea that the United Nations latched onto with all the enthusiasm of a fox in a hen coop, simultaneously drawing the interest of various national governments, and dragging with it many unwitting but eager scientifically credentialed sycophants.
Pekka is technically correct if he means the word CAGW only exists in skeptical discourse, as opposed to the thing the word refers to, which is
dangerous human
caused global
warming.
How has this process been followed for AGW or, more specifically, for the premise that the observed
warming since the modern record started has been
caused principally by AGW and that this represents a serious potential threat to humanity and our environment (let's call this the «
dangerous AGW» hypothesis or dAGW, which Trenberth would like to see as the «null hypothesis»)?
That means wildfires are a
dangerous amplifying feedback, whereby global
warming causes more wildfires, which release carbon dioxide, thereby accelerating global
warming.
But no evidence exists for the proposition that such a feedback loop will
cause dangerous or runaway
warming.
However there is considerable uncertainty and disagreement about the most consequential issues: whether the
warming has been dominated by human
causes versus natural variability, how much the planet will
warm in the 21st century, and whether
warming is «
dangerous».
This
warming was obviously
caused by Californian Indians ripping around in SUVs and motorcycles spewing
dangerous greenhouse gases with no thought for the future.
That is decidedly not how this paper is used in public discourse though, I think in many instances this paper is used to say that not only do humans
cause global
warming, but they are also the major
cause and the degree of effect on nature / climate is in some way
dangerous and needs to be mitigated.
There is little evidence that global
warming is necessarily bad for the world or humans, and especially there is little evidence that it will
cause a militarily more
dangerous or less stable world, or
cause more work or misery for the US Army.
Simply put, the trace gas CO2 does not regulate temperature; it does not act like a control knob or thermostat; and the greater growth in CO2 levels has not
caused accelerated,
dangerous warming.
While the greenhouse effect is undeniably real, and while most scientists agree that there has been a rise in global temperatures
caused in some part by human emissions of carbon dioxide, no one knows how much more
warming will occur this century or whether it will be
dangerous.
But a new draft study being published this week by a team of 17 leading international climate scientists warns that even 2 degrees of
warming is «highly
dangerous» and could
cause sea level rise of «at least several meters» this century, leaving most of the world's coastal cities uninhabitable.
For an increasing fraction of the world's population, the real climate crisis is not the possibility that
dangerous human -
caused global
warming may someday occur.
True believers in the theory of man - made climate change can't understand how anyone can question the «overwhelming evidence» that mankind is
causing dangerous global
warming.
The United States is needlessly penalizing itself and squandering its resource endowment, all because of the big lie that carbon dioxide is
causing dangerous global
warming.
Business has been captured by Climatism, the belief that humans are
causing dangerous global
warming.
There is an initial simple claim, such as «humans are
causing potentially
dangerous global
warming.»
This prescient statement merits careful examination by those who continue to assert the fashionable belief, in the face of strong empirical evidence to the contrary, that human CO2 emissions are going to
cause dangerous global
warming.
significant new peer - reviewed research has cast even more doubt on the hypothesis of
dangerous human -
caused global
warming. . .
Keep all this in mind when the President and other Washington politicos bring up «
dangerous manmade global
warming,» insist that we slash fossil fuel use, and tell us we need to give poor countries billions of dollars a year to compensate them for «losses and damages» they incurred due to
warming we
caused.