The Nature Climate
Change study estimates the Clean Power Plan accounts for about half of emissions cuts from the U.S.'s current and proposed policies.
Not exact matches
To get a sense of how this is
changing the industry's dynamics, consider that a recent Deutsche Bank
study estimates that just 5 % of traditional console games released since 2001 have sold more than a million copies (they typically retail for about $ 60 each).
«Human - induced climate
change likely increased Harvey's total rainfall around Houston by at least 19 percent, with a best
estimate of 37 percent,» Michael Wehner, a co-author on an attribution
study recently published in Geophysical Research Letters, said at the American Geophysical Union conference in December.
In a previous
study, we associate
changes in the ratio of new jobs to new housing with
changes in rents, and we apply those results here to
estimate how an increased workforce owing to Amazon's HQ2 would
change rents in each city.
A 2014
study by population
change think tank International Longevity Centre
estimates 1.5 million men will be living alone in England and Wales by 2030.
In terms of effect on consumption, Ng et al
estimated a reduction in sugar sweetened drink intake of 104 mL (10 %) per person per week compared with our predicted reduction of around 15 %.19 The substitution effects predicted in Ng et al's
study are very slight, and as a result the predicted
change in energy intake is larger (net decrease of 24 kJ / person / day compared with our
estimate of 17 kJ / person / day).
The lower levels of baseline sugar sweetened drink consumption in the UK compared with the US may in part explain why the effect on obesity that we
estimate in the UK is much less than that
estimated in the US.12 The differences with respect to other modelling
studies may also be partly explained by their use of higher own price elasticity values for sugar sweetened drinks than we have calculated and used here.18 22 52 We can not make direct comparisons between the results of our
study and the results of recent
studies of the effect of reducing sugar sweetened drink consumption on body weight in children, 5 7 as the relation between energy balance and
change in body mass index in children who are growing is different from that in adults.
We chose to model the effects on body weight because good evidence (from both trials and epidemiological
studies) links regular consumption of sugar sweetened drinks to weight gain.8 10 12 Moreover, data from longitudinal
studies support the idea that
changes in the price of sugar sweetened drinks are linked to
changes in body weight.20 Other groups have used this form of modelling to
estimate the effects of a sugar sweetened drink tax on obesity.18 21 22
Estimates of the numbers of women booked for home birth but delivering in hospital were even more difficult to obtain because hospital records do not always specify this information accurately and no national
estimate exists.1 4 Data collected in this region in 1983 suggested that 35 % of these women
changed to hospital based care either before or during labour, and a more detailed prospective
study of all planned home births in 1993 found a total transfer rate of 43 %.8 Women were classified as having booked for a home birth when a community midwife had accepted a woman for home delivery and had this arrangement accepted by her manager and supervisor of midwives at any stage in pregnancy, irrespective of any later
change of plan.
But there is something we can do to
estimate if bias is
changing the results of our
study.
A
study by Laura Carbognin at the Institute of Marine Sciences in Venice and colleagues provides the best
estimate yet of how the city will cope with the effects of climate
change.
When scientists use climate models for attribution
studies, they first run simulations with
estimates of only «natural» climate influences over the past 100 years, such as
changes in solar output and major volcanic eruptions.
The
study estimates the carbon implications of recent
changes in the country's economic development patterns and role in international trade since the global financial crisis.
«Our
study illustrates that the complexity of climate
change, adaptation, and flood damage can be disentangled by surprisingly simple mathematical functions to provide
estimates of the average annual costs of sea - level rise over a longer time period.»
A new
study attempts to
estimate the effects of climate
change on global agriculture — and outline ways to mitigate its most dire consequences
The results of the
study suggest that, based on the existence of specific miDNA, it is possible to
estimate whether the existing
change in the mucous membrane develops into a malignant disease.
The
study estimated impacts on forest carbon accumulation in the region between 2007 and 2012, and projected potential
changes out to 2017 based on forest growth and land use
change scenarios.
Until now, most
estimates of how many species are threatened by climate
change have been based on theoretical
studies that look at the climatic and environmental conditions that species need to survive, and overlay this with
estimates of how much suitable habitat will remain as the world warms.
«This suggests that predicted ecosystem
changes — including continuing advances in the start of spring across much of the globe — may be far greater than current
estimates based on data from experiments,» said Elizabeth Wolkovich, a postdoctoral fellow at the University of California, San Diego, who led the
study.
Up to 75 percent of the lakes
studied would no longer be able to support young walleye by 2089, while the number of lakes that could support lots of bass could increase by 60 percent, the researchers
estimate in the April Global
Change Biology.
Density
estimates provide significantly more information about species» response to climate
change than only
studying their ranges, which has been standard practice in these kinds of
studies until now.
«For this
study, GRACE served as a unique tool that provided information on water volume
changes directly from space, and corroborated the water balance
estimates,» said Hyongki Lee, a co-author of the
study and a professor of civil and environmental engineering at the University of Houston.
While his new
study makes no use of the huge computer models commonly used by scientists to
estimate the magnitude of future climate
change, Lovejoy's findings effectively complement those of the International Panel on Climate Change (IPCC), he
change, Lovejoy's findings effectively complement those of the International Panel on Climate
Change (IPCC), he
Change (IPCC), he says.
A new
study from climate scientists Robert DeConto at the University of Massachusetts Amherst and David Pollard at Pennsylvania State University suggests that the most recent
estimates by the Intergovernmental Panel on Climate
Change for future sea - level rise over the next 100 years could be too low by almost a factor of two.
The
study applied «medium to high» future emissions
estimates of heat - trapping gases, as assumed by the California state government, to models designed to assess what effect climate
change would have on national parks like Yosemite, Death Valley, Redwood, Joshua Tree and Sequoia.
Also, the new mortality
estimates, while dramatically higher than the approximately 150,000 annual deaths attributed to climate
change stress in WHO's last assessment in 2004, are not directly comparable to earlier
studies, which relied on different models and different underlying scenarios.
And for another, the previous
studies estimate that Earth's climate will rapidly respond to the
changes.
By drawing on previous
studies, Dietz
estimated what proportion of the population could realistically be persuaded to
change their behaviour using financial incentives, mass - media campaigns and so forth.
«This
study is the best
estimate we have to date of how effectively behavioural
change could cut US greenhouse gas emissions,» says Ruth Rettie, who leads Project Charm, a group based at Kingston University in London that investigates ways in which people's behaviour could be influenced.
That made the
study's approach unique in this branch of climate
change literature, which typically relies on weather
estimates over broad geographical areas.
The complex geology and high rates of biodiversity in the region — currently home to an
estimated 7,452 plant and animal species — make it a potential «natural stronghold» in the fight against climate
change, according to a new, multimillion - dollar
study by the Nature Conservancy.
A Nature Climate
Change study last year
estimated that emissions per mile from light - duty vehicles could fall by as much as 94 percent by 2030 in a «best - case scenario» of electric driverless taxis (ClimateWire, July 7, 2015).
When the pair
studied the share prices of oil companies and alternative - energy technology companies, and
estimated the rate of
change of future investment, they found that investors do not expect the replacement of oil - based fuels with renewables for another 131 years.
Dr Søren Brage (MRC Epidemiology Unit, University of Cambridge), joint senior author on the
study says: «Providing quantitative
estimates regarding the dose - response relationship is essential for approximating how
changes in levels of physical activity in the general population would impact disease incidence, and would support more nuanced guidance to the public and evidence - based dialogue in clinical settings.»
«The
study provides more realistic modeling
estimates of how much vegetation
change will occur over the 21st century and will allow better predictions of future climate
change,» she said.
By
studying the relationship between CO2 levels and climate
change during a warmer period in Earth's history, the scientists have been able to
estimate how the climate will respond to increasing levels of carbon dioxide, a parameter known as «climate sensitivity».
Additionally, the median
change in
estimated glomerular filtration rate (eGFR) from baseline to week 48 favoured TAF in both
studies (p < 0.01).
Previous
studies have
estimated the effect of climate
change and population growth on wildfire patterns and the risk of damage to buildings and homes in California.
Researchers then used models to
estimate changes in ambient pollutant concentrations due to the presence of coal - fired plants in the region and
estimated health impacts using peer - reviewed methodologies used in similar
studies around the world.
That
study addressed a puzzle, namely that recent
studies using the observed
changes in Earth's surface temperature suggested climate sensitivity is likely towards the lower end of the
estimated range.
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.
James A. Edmonds • Member, IPCC Steering Committee on «New Integrated Scenarios» (2006 - present) • Lead Author, Working Group III, «Framing Issues,» IPCC Fourth Assessment Report (2007) • Lead Author, Working Group III, «Global, Regional, and National Costs and Ancillary Benefits of Mitigation,» IPCC Third Assessment Report (2001) • Lead Author, Working Group III, «Decision - Making Frameworks,» IPCC Third Assessment Report (2001) • Lead Author, Working Group III, Summary for Policy Makers, IPCC Third Assessment Report (2001) • Lead Author, Working Group II, «Energy Supply Mitigation Options,» IPCC Second Assessment Report (1996) • Lead Author, Working Group II, «Mitigation: Cross-Sectoral and Other Issues,» IPCC Second Assessment Report (1996) • Lead Author, Working Group III, «
Estimating the Costs of Mitigating Greenhouse Gases,» IPCC Second Assessment Report (1996) • Lead Author, Working Group III, «A Review of Mitigation Cost
Studies,» IPCC Second Assessment Report (1996) • Lead Author, Working Group III, «Integrated Assessment of Climate
Change: An Overview and Comparison of Approaches and Results,» IPCC Second Assessment Report (1996) • Lead Author, IPCC Special Report, Climate
Change 1994: Radiative Forcing of Climate
Change and An Evaluation of the IPCC IS92 Emission Scenarios (1994) • Lead Author, IPCC Special Report, Climate
Change 1992: The Supplementary Report to the IPCC Scientific Assessment (1992) • Major contributor, IPCC First Assessment Report, Working Group III, Response Strategies Working Group (1991).
Some
studies have attempted to
estimate the statistical relationship between temperature and global sea level seen in the period for which tide gauge records exist (the last 2 - 3 centuries) and then, using geological reconstructions of past temperature
changes, extrapolate backward («hindcast») past sea - level
changes.
The new
estimates are reasonable considering the rates of glacier
change scientists are seeing at the moment, says Dr Ted Scambos, lead scientist at the National Snow and Ice Data Center, who wasn't involved in the
study.
Study of Environmental Arctic
Change (SEARCH) launched a CH4 synthesis project with the goal of
estimating contemporary budgets for CH4 in the Arctic and projecting rates of future release.
It is important to regard the LGM
studies as just one set of points in the cloud yielded by other climate sensitivity
estimates, but the LGM has been a frequent target because it was a period for which there is a lot of data from varied sources, climate was significantly different from today, and we have considerable information about the important drivers — like CO2, CH4, ice sheet extent, vegetation
changes etc..
Therefore it is necessary to
study the magnitude of the methane emissions and
estimate their influence on climate
change.
The new
study, published in Science, is the first to make a global
estimate of how both the frequency and severity of coral reef bleaching have
changed over the last 40 years.
In addition, some
studies also use the
estimated ocean heat uptake since 1955 based on Levitus et al. (2000, 2005)(Chapter 5), and temperature
changes in the free atmosphere (Chapter 3; see also Table 9.3).
Based on regional
studies, the Intergovernmental Panel on Climate
Change (IPCC) estimated that 20 — 30 % of the world's species are likely to be at increasingly high risk of extinction from climate change impacts within this century if global mean temperatures exceed 2 — 3 °C above pre-industrial levels [6], while Thomas et al. [5] predicted that 15 — 37 % of species could be «committed to extinction» due to climate change by
Change (IPCC)
estimated that 20 — 30 % of the world's species are likely to be at increasingly high risk of extinction from climate
change impacts within this century if global mean temperatures exceed 2 — 3 °C above pre-industrial levels [6], while Thomas et al. [5] predicted that 15 — 37 % of species could be «committed to extinction» due to climate change by
change impacts within this century if global mean temperatures exceed 2 — 3 °C above pre-industrial levels [6], while Thomas et al. [5] predicted that 15 — 37 % of species could be «committed to extinction» due to climate
change by
change by 2050.