Human -
induced warming of the climate system is widespread.
My earlier criticism had been that the IPCC AR4 report was equivocating in not stating clearly and forcefully enough that human -
induced warming of the climate system is established fact, and not something to be labeled as «very likely» at the 90 percent probability level.
The second paragraph of the Chapter 9 Executive Summary starts with: «Human -
induced warming of the climate system is widespread.
Not exact matches
In a recent analysis
of climate events from last year, 2016, scientists determined three events — record - breaking global heat, a heat wave over Asia, and a «blob»
of unusually
warm water in the Northern Pacific — could not have occurred without human -
induced climate change.
Taylor also claims that human -
induced warming has caused rising sea levels and desertification, hence «
climate change refugees» which is an issue
of human rights.
The finding suggests that an increase in hurricanes and tropical storms
induced by global
warming could turn forests into overall emitters
of carbon dioxide, fuelling further
climate change.
A weaker sun might slow human -
induced climate change slightly but when the sun eventually recovers force, global
warming would heat up with even more
of a vengeance.
The research concludes that for other changes, such as regional
warming and sea ice changes, the observations over the satellite - era since 1979 are not yet long enough for the signal
of human -
induced climate change to be clearly separated from the strong natural variability in the region
«Currently, our planet is in a
warm phase — an interglacial period — and the associated increased
climate sensitivity needs to be taken into account for future projections
of warming induced by human activities.»
«What we saw was that urbanization -
induced warming is just as important as greenhouse gas -
induced climate change,» said Matei Georgescu, an assistant professor in the School
of Geographical Sciences and Urban Planning at Arizona State University.
Specifically, the draft report says that «equilibrium
climate sensitivity» (ECS)-- eventual
warming induced by a doubling
of carbon dioxide in the atmosphere, which takes hundreds
of years to occur — is «extremely likely» to be above 1 degree Celsius (1.8 degrees Fahrenheit), «likely» to be above 1.5 degrees Celsius (2.4 degrees Fahrenheit) and «very likely» to be below 6 degrees Celsius (10.8 Fahrenheit).
Second, because the 1900 - 1950 TSI value was lower than the 1950 - 2000 TSI value, this would
induce by alone a solar
induced climate warming of the atmosphere during 1950 - 2000 even if during the period 1950 - 2000 the sun was perfectly constant.
There's really no way these results bear on the question
of human
induced climate warming... I think the sad thing is the a company with the resources
of ExxonMobil is exploiting the data for political purposes.»
The Project The Raising Risk Awareness project seeks to assess the role
of human -
induced climate change in the risk
of extreme weather events in developing countries and identify how such scientific evidence could help to bridge the science - communications - policy gap, and enable these countries and communities to become more resilient in a
warming world.
To quantify the impact
of human -
induced climate change on Harvey and to estimate whether it indeed exacerbated the rainfall thus requires taking into account the atmospheric circulation as well as the overall
warming.
Knutson, T.R., and R.E. Tuleya, 2004: Impact
of CO2 -
induced warming on simulated hurricane intensity and precipitation: Sensitivity to the choice
of climate model and convective parameterization.
The results the team found are that human -
induced climate change is intensifying both the heat in the Arctic and increasing the frequency
of such unusually
warm periods.
«Some organizations, like
Climate Central and extremists like Bill McGibben, hype every major weather anomaly as proof
of the profound effects
of human -
induced global
warming.»
The paper argues that
climate sensititvity to CO2 is much lower according to «observation» and that simplified «models» combining PDO and CO2 can «explain» most
of 20th century
warming through PDO -
induced changes in cloud cover.
In contrast, the
warming during the most recent period, often used as evidence
of human
induced climate change, is characterized by temperature moderation — the pattern
of temperature rise exhibits a strong, preferential
warming of the coldest days
of the year.
These results suggest that sea surface temperature pattern -
induced low cloud anomalies could have contributed to the period
of reduced
warming between 1998 and 2013, and offer a physical explanation
of why
climate sensitivities estimated from recently observed trends are probably biased low 4.
Reliance on global CCS into deep wells to reduce GHG emissions into the atmosphere and effectively addressing the human -
induced sources and consequences
of global
warming and
climate change is pure «Greenwash.»
But that's just it, Paul, within the scientific community anthropogenic causation
of increasing greenhouse gases, greenhouse gas -
induced warming, and potential
climate effects and impacts
of increased
warming are accepted science.
or had a heads up on the following: «Science Myth
of Consensus Explodes: APS Opens Global
Warming Debate» «The American Physical Society, an organization representing nearly 50,000 physicists, has reversed its stance on climate change and is now proclaiming that many of its members disbelieve in human - induced global w
Warming Debate» «The American Physical Society, an organization representing nearly 50,000 physicists, has reversed its stance on
climate change and is now proclaiming that many
of its members disbelieve in human -
induced global
warmingwarming.
The science behind human -
induced global
warming is far stronger, as documented by the latest assessment
of the Intergovernmental Panel on
Climate Change.
Walt, if you've ever studied Pleistocene geology and the million year history
of glacial advances and interglacial
warming cycles you would know human -
induced global
warming and
climate changes are the dominant cause
of current and future catastrophic consequences.
This presents a paradox for some skeptics and deniers
of human -
induced global
warming and
climate change.
At the same time it will help mitigate and solve catastrophic consequences
of human -
induced global
warming and
climate change by reducing greenhouse gas emissions into the atmosphere.
However
climate models from even 20 - 30 years ago [Schneider and Thompson (1981); Bryan et al (1988); Manabe et al (1992)-RSB- predicted that the response
of the Antarctic to enhanced greenhouse -
induced warming would be much delayed relative to the
warming expected to occur in the Arctic.
After seven years, in the White House, is it possible Republicans are finally considering doing something right about the serious consequences
of human -
induced global
warming and
climate change in order to salvage the 2008 Presidential and Congressional elections?
No matter what short term metrics are applied, the Arctic is undergoing long term rapid melting, dominantly as a result
of human -
induced global
warming and
climate change.
Much
of the public's misunderstanding
of human -
induced global
warming centers on storm surges and sea levels, and yet this has hardly been the central focus
of climate science research over the past 20 years.
CO2 Science misrepresents Doran's study as a «major blow to the CO2 -
induced global
warming hypothesis... many a
climate alarmist jumped on the global
warming bandwagon... however, the bottom began to fall out
of the poorly constructed bandwagon, as the evidentiary glue that held it together began to weaken.»
This is a fun subject but has little to do with the real consequences
of human -
induced global
warming and
climate change.
I have high hopes President Barack Obama, from my home State
of Illinois, will change all that and proceed to execute many promised political reforms in Washington, D. C. High on his list should be implementing immediate and effective Congressional legislation about the consequences
of human -
induced, global
warming and
climate change.
Nature is kicking back on us because we're just slow learners about hurricane infrastructure preparations as well as not paying enough attention to the real world consequences
of human -
induced global
warming and
climate change.
A new study co-authored by Francis Zwiers, the director
of UVic's Pacific
Climate Impacts Consortium, suggests that human -
induced global
warming may be responsible for the increases in heavy precipitation that have been observed over much
of the Northern Hemisphere including North America and Eurasia over the past several decades.
The American Physical Society, an organization representing nearly 50,000 physicists, has reversed its stance on
climate change and is now proclaiming that many
of its members disbelieve in human -
induced global
warming.
The survey
of AMS members found that while 52 percent
of American Meteorological Society members believe
climate change is occurring and mostly human -
induced, 48 percent
of members do not believe in man - made global
warming.
Climate experts say this is the result
of a combination
of human -
induced global
warming and a particularly strong El Nino.
According to a report at the time by Sovereignty International, Professor Robert Watson, the former chair
of the Intergovernmental Panel on
Climate Change (IPCC), was asked in a press briefing in 1997 about the growing number of climate scientists who challenge the conclusions of the UN that man - induced global warming is real and promises cataclysmic conseq
Climate Change (IPCC), was asked in a press briefing in 1997 about the growing number
of climate scientists who challenge the conclusions of the UN that man - induced global warming is real and promises cataclysmic conseq
climate scientists who challenge the conclusions
of the UN that man -
induced global
warming is real and promises cataclysmic consequences.
The most rapid
warming -
induced die - back
of the Amazon rainforest probably occurs at a global average temperature rise from 1 to 3 degrees Celsius above the pre-industrial
climate.
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».
«In considering the question
of human activity and
climate change it is essential to distinguish between global
warming, which is a progressive increase in the annual mean global temperature, and human - activity -
induced greenhouse
warming, as may, for example, be caused by the release
of greenhouse gases into the atmosphere as a result
of fossil fuel combustion or deforestation.»
You could add that evidence as to the reality
of, and the threat posed by, human -
induced global
warming has emerged from a well established official expert advisory process, and in particular, within that process, from the series
of massive Assessment Reports issued by the Intergovernmental Panel on
Climate Change (the IPCC).
Some
of these
climate drivers result in
warming and others lead to cooling, but when all the natural and human -
induced climate drivers are stacked up and compared to one another, the accumulation
of human - released heat - trapping gases in the atmosphere is so large that it has very likely swamped other
climate drivers over the past half century, leading to observed global
warming.
Comparing model predictions
of GHG -
induced warming with recent natural temperature fluctuations also indicates the potential scale
of man - made
climate change.Early modelling experiments focused on the total long - term change resulting from a doubling
of carbon dioxide (CO2) levels.
«Global
warming» is only one
of many potential consequences
of GHG -
induced climate change.
Sea level rise, ocean acidification and the rapid melting
of massive ice sheets are among the significantly increased effects
of human -
induced global
warming assessed in the survey, which also examines the emissions
of heat - trapping gases that are causing the
climate change.
Trenberth 2015 suggested that for Hurricane Sandy, «the subways and tunnels may not have flooded without
warming -
induced increase in sea level and storm intensity and size, putting a potential price tag
of human
climate change in this storm in the tens
of billions
of dollars.»