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A new report from the MIT Joint Program on the Science and Policy of Global Change shows the importance of all major nations taking part in global efforts to reduce emissions—and in particular, finds China’s role to be crucial. C change by the end of the century. Without China, we miss that mark by about 1 °C.
of the human-made climate impact; two-thirds of this impact are caused by emissions other than CO 2 , according to a new study by researchers in Europe and the US. Schematic overview of the processes by which aviation emissions and increased cirrus cloudiness affect the climate system. Aviation accounts for 3.5% —Lee et al.
Significant climate anomalies 2008/2009. Source: ClimateChange Compendium. Shifts in the hydrological cycle resulting in the disappearance of regional climates with related losses of ecosystems, species and the spread of drylands northwards and southwards away from the equator. per year from 2000-2007.
the distribution of black carbon in the atmosphere and determine its role in the climate system. Black carbon (BC) is the second largest man-made contributor to global warming and its influence on climate has been greatly underestimated, according to the first quantitative and comprehensive analysis of this pollutant’s climate impact.
Decadal warming rates arising from (i) greenhouse gases and aerosols alone (black); (ii) that obtained including the stratospheric water decline after 2000 (red); and (iii) including both the stratospheric water vapor decline after 2000 and the increase in the 1980s and 1990s (cyan). Credit: Solomon et al., Click to enlarge.
Projected changes in summer mean usable capacity of power plants in the US and Europe for the SRES A2 emissions scenario for the 2040s (2031–2060) relative to the control period (1971–2000). A study published in Nature ClimateChange suggests that thermoelectric power plants (i.e., Source: van Vliet et al.
Current emissions of anthropogenic greenhouse gases (GHGs) have already committed the planet to an increase in average surface temperature by the end of the century that may be above the critical threshold for tipping elements of the climate system into abrupt change with potentially irreversible and unmanageable consequences, the authors write.
response to climatechange. The temperatures of large inland water bodies are good indicators of climatechange and have been used for climatechange studies. Our analysis provides a new, independent data source for assessing the impact of climatechange over land around the world.
Radiative forcing due to perpetual constant year 2000 emissions grouped by sector for 2020 (left) and 2100 (right) showing the contribution from each species. This approach will make it easier to identify sectors for which emission reductions will be most beneficial for climate and those which may produce unintended consequences.”.
C (1.26 °F) since 1960 and other observed changes in rainfall, sea level rise, ocean acidification and atmospheric CO 2 concentration show that “ climatechange is real ”, according to a joint CSIRO/Bureau of Meteorology (BOM) statement and snapshot of the state of the country’s climate. State of the Climate (March 2010).
Average CO 2 emissions from new cars have fallen by more than 20% since 2000. Cars in the sub-130 g/km CO 2 category represented almost 40% of the market in 2010 compared with less than 1% in 2000. Executive (-28.1%) and Mini (-25.8%) segments recorded the biggest improvements against the levels of 2000. .
The contribution of HFCs to climate forcing is currently less than 1% of all greenhouse gases. If HFC emissions continue to increase, they are likely to have a noticeable influence on the climate system. W m -2 relative to 2000. Climate and the Ozone Layer. Climate-friendly HFCs. Non-HFC substances.
Daimler AG has received top marks for disclosure of its climate protection measures aimed at combating climatechange, receiving the maximum 100 points in the Carbon Disclosure Project’s (CDP’s) “Climate Disclosure Leadership Index” and an “A” rating in the “Climate Performance Leadership Index”.
Without decisive action, climatechange this century is likely to accelerate at a much faster pace and cause more environmental damage than predicted, according to Professor Chris Field of Stanford University, and a leading member of the UN Intergovernmental Panel on ClimateChange. Chris Field.
A recent increase in the abundance of particles high in the atmosphere has offset about a third of the current climate warming influence of CO 2 change during the past decade, according to a new study led by NOAA and published in the online edition of Science. The increase in aerosols since 2000 implies a cooling effect of about 0.1
Global accounting firm PricewaterhouseCoopers has analyzed carbon emissions from 2000 to 2008 and concluded that the world’s “carbon emissions budget”, or ability to emit carbon dioxide while still maintaining a “fair chance” of limiting average global temperatures to no more than 2 ºC (3.6 Click to enlarge.
Published in the journal Nature ClimateChange , the new analysis shows fossil fuel emissions increased by 5.9% each year between 2000 and 2010—three times the rate of increase during the 1990s. Nature ClimateChange doi: 10.1038/nclimate1332. On average, fossil fuel emissions have risen by 3.1%
Researchers at the Max Planck Institute of Meteorology have developed a coupled climate–carbon cycle model that specifies the maximum volumes of carbon dioxide that humans may emit to remain below the critical threshold for climate warming of 2 °C, based on stabilization at 450 ppm in the 22 nd century. Click to enlarge.
Historical analysis shows strong acceleration of plantation development in recent years: 70% of all industrial plantations have been established since 2000 and only 4% of the current plantation area existed in 1990. Tropical peatlands cover more than 25 Mha in Southeast Asia and are estimated to contain around 70 Gt of carbon.
The UN Intergovernmental Panel on ClimateChange (IPCC) released a policymaker’s summary of Working Group III’s (WG III) latest report showing that despite a growing number of climatechange mitigation policies, annual anthropogenic GHG emissions grew on average by 1.0 GtCO 2 eq (1.3%) per year from 1970 to 2000.
The authors, under the umbrella of the Global Carbon Project , reported a 29% increase in global CO 2 emissions from fossil fuel between 2000 and 2008 (the latest year for which figures are available), and by 41% between 2008 and 1990, the reference year of the Kyoto Protocol. between 2000 and 2008, compared with 1% per year in the 1990s.
The system will graph lifecycle impact for a range of specified powertrains, for a large number of impact categories: Climatechange [kg CO 2 -eq.]. The top sample above shows climatechange impact; the subsequent chart shows human toxicity. Sample results from Carculator. Depletion of fresh water reserves [m 3 ].
Global leaders agreed a target of limiting temperature increase to 2 °C at the UN climatechange talks in Cancun in 2010. These latest estimates from the IEA are “ a stark warning ” to governments to provide strong new progress this year towards global solutions to climatechange, UN Climate Chief Christiana Figueres said.
Temperature change per transport work by mode for various years after the emissions: per passenger kilometer for passenger travel (left) and per ton-kilometer for freight transport (right). Global average values for the year 2000. Bars represent 1 SD. Credit: ACS, Borken-Kleefeld et al. Click to enlarge.
“Water, like climatechange, is set to be a key issue for the 21 st century. ” —Paul Dickinson, Carbon Disclosure Project CEO Ford launched its own voluntary Global Water Management Initiative in 2000, which included water conservation, reuse of storm and process water, and management of water quality.
Shipping-induced global temperature change in 2050 using different parameterizations of Indirect Aerosol Effect (IAE). A recent study by an international team calculated that shipping causes a net cooling of climate across all parametrizations of the indirect aerosol effect (IAE) and scenarios throughout the period 1900?2050.
Despite their limitations, GWPs are widely used for comparison among long-lived gases, forming the basis for worldwide political agreements on climate and carbon trading. Methane’s GWP may also change with time as air quality regulations alter the background state of tropospheric chemistry. Drew Shindell. —Drew Shindell.
Since 2000, the global rate of decarbonization has averaged 0.8%; from 2010 to 2011, global carbon intensity fell by just 0.7%. —Leo Johnson, Partner, Sustainability and ClimateChange, PwC. Resilience will become a watch word in the boardroom—to policy responses as well as to the climate. —PwC report.
Transport emissions could double their current relative net contribution to global warming by 2100, according to a new study by researchers at the Oslo-based Centre for International Climate and Environment Research (CICERO) in Norway. 2009) Global temperature change from the transport sectors: Historical development and future scenarios.
Global sulfur dioxide (SO 2 ) emissions peaked in the early 1970s and decreased until 2000, with an increase in recent years due to increased emissions in China, international shipping, and developing countries in general, according to a new analysis appearing in the open access journal Atmospheric Chemistry and Physics.
For the first time since UCS began the Automaker Rankings report in 2000, all eight major automakers reduced their average greenhouse gas (GHG) and smog-forming emissions compared to their fleet averages from 1998, the model year examined in the first report. ClimateChange Coal Emissions Fuel Efficiency' Source: UCS.
Winter chill, a vital climatic trigger for many tree crops, is likely to decrease by more than 50% in California during this century as global climate warms, making the state no longer suitable for growing many fruit and nut crops, according to a team of researchers from the University of California, Davis, and the University of Washington.
The calculates future global aviation emissions of carbon dioxide and NO x from air traffic under four of the IPCC/SRES (Intergovernmental Panel on ClimateChange/Special Report on Emissions Scenarios) scenarios: A1B, A2, B1, and B2. Tags: Aviation ClimateChange Emissions. Owen et al. depending on the scenario.
Shale gas in particular has grown rapidly, from less than one percent of US production in 2000 to 34% in 2012, and projections show strong production growth continuing for the foreseeable future. In this paper, we focus on the implications of growing shale gas production for the climate. —Newell and Raimi.
The Fifth Assessment Report of the Intergovernmental Panel on ClimateChange (IPCC) said BC has a direct radiative forcing of +0.4 (+0.05 After 2000, BC emissions from this sector in China remained roughly stable, but the increase in other developing countries was accelerated. ClimateChange Emissions Health'
The US Environmental Protection Agency (EPA) has submitted its final Report to Congress on Black Carbon , in response to an October 2009 request from Congress to advance efforts to understand the role of black carbon (BC) in climatechange. Effects of BC on climate, as compared to GHGs. Earlier post.). Earlier post.).
Each estimate has a range of uncertainty of at least 2 GtCO 2 e, reflecting different assumptions for emissions drivers such as business-as-usual (BAU) scenarios, national actions, land use change, base year emissions, future baseline emissions, and future energy intensities for different countries. Tags: ClimateChange.
Researchers at the University of Maryland and the University of Texas, Austin, have created a database that includes visibility measurements taken from 1973 - 2007 at 3,250 meteorological stations all over the world and released by the National Climatic Data Center (NCDC). NASA technique.
The SMP model calculates 2000?2050 The Ford team updated the SMP model with historical data for 2000, 2005, and 2010, and extended the model to calculate the total CO 2 emissions (tonnes) and the TTW (tank-to-wheel) emission rate (g CO 2 /km) for the new vehicle fleet. They converted from an absolute amount to scale relative to 2000.
Incorporating geologic records, biologic records and computer simulations, the study reconstructed Arctic summer temperatures at a resolution down to decades, and thereby extended the climate record a full 1,600 years beyond the 400 year-long record that was previously available at that resolution. Kaufman, et al.
Anthropogenic global greenhouse gas emissions increased by 15% between 2000 and 2005, a sharp increase in the expected rate of growth, according to a new report from the European Commission’s Joint Research Centre (JRC).
Advancing technologies to capture and concentrate carbon dioxide for storage and potential industrial use is among a suite of ExxonMobil research programs focused on developing lower-emissions solutions to mitigate the risks of climatechange. This entire process is mild, safe, and carbon negative.
However, the world has changed considerably since the creation of the IPCC, with major advances in climate science, heated controversy on some climate-related issues, and an increased focus of governments on the impacts and potential responses to changingclimate.
Sir David served as Chief Scientific Advisor to the government (2000 – 2007, working closely with the Prime Minister and Cabinet on key scientific issues including climatechange. The London Catapult will be chaired by Sir David King.
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