These are not evidence
of human effect on climate.»
Now I haven't asked all of them, but I'm pretty confident that no climate scientist has ever used a picture of a dolphin — even a cute, smiling one — as «evidence
of human effect on climate.»
Second, recent weather and temperature anomalies have not been unusual and are not evidence
of a human effect on climate.
The bottom line is that the identification
of human effects on climate is a signal - to - noise problem.
Look at the pile of junk that you are calling «evidence» for the existence
of human effects on the climate in the last 16 years.
Since the late 1970s, it has been recognized that the identification
of human effects on climate is inherently a signal - to - noise (S / N) problem [Hasselmann, 1979; Madden and Ramanathan, 1980; Wigley and Jones, 1981; Wigley and Raper, 1990; Allen et al., 1994; Santer et al., 1994, 1995].
That's close to the 97 % in Cook's «survey» that found agreement to an equally vague statement
of human effects on climate change.
Not exact matches
We're representing loads
of different points
of view here, but 95 per cent or more
of scientists believe that
human beings have had an adverse
effect on the
climate — we have created it.
The model calculations, which are based
on data from the CLOUD experiment, reveal that the cooling
effects of clouds are 27 percent less than in
climate simulations without this
effect as a result
of additional particles caused by
human activity: Instead
of a radiative
effect of -0.82 W / m2 the outcome is only -0.60 W / m2.
While natural sources
of climate variability are significant, multiple lines
of evidence indicate that
human influences have had an increasingly dominant
effect on the
climate warming observed since the mid-twentieth century.
Although the magnitudes
of future
effects are uncertain,
human influences
on the
climate are growing.
«Our study suggests that the
effect of human capital
on economic growth is larger in high - quality -
of - life counties — natural amenities such as clean air and temperate
climate, could potentially attract
human capital and perhaps increase labor productivity, thus boosting the
effect of human capital
on growth,» said Fan.
«Because the complexity
of the
climate makes accurate prediction difficult, the APS urges an enhanced effort to understand the
effects of human activity
on the Earth's
climate, and to provide the technological options for meeting the
climate challenge in the near and longer terms.
«There is no scientific body
of national or international standing that rejects the findings
of human - induced
effects on climate,» Peter Gleick, a scientist and president
of the Pacific Institute, an environmental group, said
on a conference call
on Wednesday.
Overall, improving our understanding
of one
of the largest natural aerosol sources is critical if we are to understand the
effects of human - made aerosols
on climate,» says Matt Salter.
It had major
effects on the world's oceans,
climate and biology, and perhaps even triggered the evolution
of humans.
The review, «Population, development, and
climate change, links and
effects on human health», examines the interconnections between population growth and
climate change, from the perspective
of global health.
While the
effects of human activity
on the seal population can be detrimental — for example through a high rate
of fishing bycatch mortality as observed
on Lake Saimaa — a novel conservation method can help the seal population to cope with
climate change.
The lifetime
effects of coal
on humans — from mining to
climate change — gets attention tomorrow at the National Press Club.
The results suggest that
climate change will convert much
of the area currently occupied by temperate grasslands and deserts to subtropical vegetation with
effects on associated wildlife and
human populations.
Highly motivated people openly cast doubt
on well - established evidence — the theory
of evolution, the
human effects on climate change, the value
of vaccines and other findings that have achieved an overwhelming consensus in the scientific community.
To single out the
effects of human - caused
climate change, the researchers used statistical methods to remove the
effects of the AMO and PDO
on rainfall variability during the period from 1920 to 2013.
With a new grasp
of global dust traffic, scientists are now working to understand the often subtle
effects that dust has
on climate,
human health, and the biosphere.
«The
human influence
on the
climate system has the
effect of intensifying precipitation extremes,» Zwiers notes.
Dr Li said the latest research findings give a better understanding
of changes in
human - perceived equivalent temperature, and indicate global warming has stronger long - term impacts
on human beings under both extreme and non-extreme weather conditions, suggesting that
climate change adaptation can not just focus
on heat wave events, but should be extended to the whole range
of effects of temperature increases.
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.
While significant research has explored the environmental impacts
of climate change, far fewer studies have considered its psychological
effect on humans, said UA researcher Sabrina Helm, an associate professor
of family and consumer science in the UA's Norton School
of Family and Consumer Sciences in the College
of Agriculture and Life Sciences.
Jaap Nienhuis, a graduate student in the MIT - WHOI Joint Program in Marine Geology and Geophysics, says the
effects of climate change, and the
human efforts to combat these
effects, are already making an impact
on river deltas around the world.
On the international stage, an apparatus is needed to financially compensate poorer countries facing the brunt of climate change and its associated effects on human well - bein
On the international stage, an apparatus is needed to financially compensate poorer countries facing the brunt
of climate change and its associated
effects on human well - bein
on human well - being.
The researchers suggest that modeling the
effects of future
climate variations should focus
on human response to transient short - term changes in addition to the traditional focus
on long - term mean changes in
climate.
Climate change effects on the geographical distribution and incidence of vector - borne diseases in other countries where these diseases are already found can also affect North Americans, especially as a result of increasing trade with, and travel to, tropical and subtropical areas.63, 197 Whether climate change in the U.S. will increase the chances of domestically acquiring diseases such as dengue fever is uncertain, due to vector - control efforts and lifestyle factors, such as time spent indoors, that reduce human - insect c
Climate change
effects on the geographical distribution and incidence
of vector - borne diseases in other countries where these diseases are already found can also affect North Americans, especially as a result
of increasing trade with, and travel to, tropical and subtropical areas.63, 197 Whether
climate change in the U.S. will increase the chances of domestically acquiring diseases such as dengue fever is uncertain, due to vector - control efforts and lifestyle factors, such as time spent indoors, that reduce human - insect c
climate change in the U.S. will increase the chances
of domestically acquiring diseases such as dengue fever is uncertain, due to vector - control efforts and lifestyle factors, such as time spent indoors, that reduce
human - insect contact.
If the
human population continues to grow, more pressure will be put
on carbon dioxide emissions — leaving future generations vulnerable to the
effects of climate change.
In 1996, when
climate research was more certain about the link between fossil fuel combustion and
climate change than during the time
of Shaw's memo, Exxon's new chairman and chief executive Lee Raymond said in a speech in Detroit: «Currently, the scientific evidence is inconclusive as to whether
human activities are having a significant
effect on the global
climate.»
Axel Timmermann and Tobias Friedrich constructed a numerical model that quantifies the
effects of past
climate and sea - level change
on global
human migration patterns over the past 125,000 years.
According to one study that looked at eight fuel aridity metrics in the Western U.S. and modeled
climate change's
effects on them,
human - caused
climate change accounted for about 55 percent
of the observed increases in fuel aridity between 1979 and 2015 (Figure 6), and added an estimated 4.2 million hectares
of forest fire area between 1984 and 2015.7 Based
on all eight metrics, the Western U.S. experienced an average
of 9 additional days per year
of high fire potential due to
climate change between 2000 and 2015, a 50 percent increase from the baseline
of 17 days per year when looking back to 1979.
I have wanted to learn more about the
effect of human - caused
climate change
on the natural world.
, but rather «are we sure that the
human effect on climate over the last 8,000 years has helped to prevent the occurrence
of another glaciation?»
The loss
of Arctic sea ice caused by
climate warming is having world - wide
effects on shipping, fishing, and
human life.
Abstract: Models investigating the
effects of climate change and
human - led land - use change
on biodiversity have arrived at alarming conclusions, with the worst case scenarios suggesting extinction rates at such a level as to constitute a sixth mass extinction event in the earth's history.
The signature
effects of human - induced
climate change — rising seas, increased damage from storm surge, more frequent bouts
of extreme heat — all have specific, measurable impacts
on our nation's current assets and ongoing economic activity.
Human influences
on the
climate (largely the accumulation
of CO2 from fossil fuel combustion) are a physically small (1 %)
effect on a complex, chaotic, multicomponent and multiscale system.
These results imply a greater potential than previously thought for fossil fuel industry efficiency improvements to mitigate the
effects of human activity
on the
climate.
His research interests include studying the interactions between El Niño / Southern Oscillation (ENSO) and the monsoons
of Asia; identifying possible
effects on global
climate of changing
human factors, such as carbon dioxide, as well as natural factors, such as solar variability; and quantifying possible future changes
of weather and
climate extremes in a warmer
climate.
The
effects of human activity have long been cited as a primary cause
of global
climate change, but new research from NASA has revealed that our use
of technology also appears to be having an impact not just
on the planet, but
on Earth's near - space environment as well.
Now the new study says the drought had a catalytic
effect on the unrest in Syria, and
human - caused
climate change has made the chances
of such a severe drought between two and three times more likely.
We were well
on our way toward a warmer and profoundly different North, essentially free
of summer sea ice, with
effects on climate and
human systems potentially spanning the globe.
The positive energy imbalance in 2005 — 2010 confirms that the
effect of solar variability
on climate is much less than the
effect of human - made greenhouse gases.
The bottom line, according to a group
of experts not involved in any
of these studies: Scientists don't know much about how sunlight interacts with our planet, and until they understand it, they can't accurately predict any possible
effects of human activity
on climate change.
To further highlight the blur between reality and fiction, they speak
of the future in the present tense, delivering a science fiction documentary that sketches the idea
of a world with no distinction between
humans, animals, and things, while reflecting
on the metaphorical
effects of climate change.
Some artists analyze the
effects of problems such as
climate change and the rising sea level, while other projects put the emphasis
on human relations.