Sentences with phrase «change study estimates»

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), hechange, Lovejoy's findings effectively complement those of the International Panel on Climate Change (IPCC), heChange (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 byChange (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 bychange 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 bychange by 2050.
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