Green Car Congress

JULY 22, 2010

Illustration of projected ozone changes in the South Coast region due to climate change in 2050. Areas in orange and red could see ozone concentrations elevated by 9 to 18 parts per billion. Our study reveals that climate change and regional air pollution are intertwined problems. Click to enlarge.

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Climate Change Ozone Climate California 199

Green Car Congress

SEPTEMBER 6, 2020

It makes an important contribution to the scientific understanding we have of the role of aviation for climate change—an understanding decision-makers and politicians may need on the way to achieving the goals of the Paris Agreement. This new study is based on a thorough review of a decade of research on aviation emissions.

Climate 448

Climate Emissions CO2 Climate Change 448

Green Car Congress

JUNE 15, 2011

Global benefits from full implementation of the identified measures in 2030 compared to the reference scenario. The climate change benefit is estimated for a given year (2050) and human health and crop benefits are. Measures that improve climate change mitigation and air quality and have a large. Source: UNEP.

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Ozone Carbon Climate Change Global 218

Green Car Congress

MAY 5, 2014

Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). Preliminary global mean CO 2 concentrations in February 2014 were 398.06 Ozone formation. Scenario A2 and RCP 8.5.

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Ozone Climate Change Pollution Climate 199

Green Car Congress

FEBRUARY 22, 2011

Global benefits from full implementation of the identified measures in 2030 compared to the reference scenario. The climate change benefit is estimated for 2050 and human health and crop benefits are for 2030 and beyond. Black carbon and tropospheric ozone are harmful air pollutants that also contribute to climate change.

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Ozone Climate Carbon Climate Change 218

Green Car Congress

OCTOBER 14, 2009

Noting the references in scientific and policy literature to the need for fast-action mitigation to help avoid DAI and abrupt climate changes, the authors define “fast-action” to include regulatory measures that can begin within 2–3 years, be substantially implemented in 5–10 years, and produce a climate response within decades.

Climate Change 186

Climate Change Climate Pollution Ozone 186

Green Car Congress

MARCH 17, 2020

They found that reductions in ground ozone during this 35-year period resulted in $600 million in increased production annually by the early 2010s. These aren’t the things that are providing the global population with its main source of calories. An open-access paper on the work appears in Nature Food. —Steven Davis.

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Ozone Davis San Diego Pollution 186

Green Car Congress

MAY 28, 2010

Schematic diagram of the trade-offs between the implications for regional air quality and global climate change of new policies for management of the atmosphere. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs. Source: NOAA. Click to enlarge.

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Climate Change Climate Pollution California 210

Green Car Congress

MAY 25, 2011

have developed a simulator able to predict tropospheric ozone concentrations across the whole of South and East Asia. Tropospheric ozone is the main cause of photochemical smog, an atmospheric pollutant harmful to human health and plant growth. Toyota Motor Corporation (TMC) and Toyota Central R&D Labs.,

Ozone 199

Ozone Asia Toyota India 199

Green Car Congress

JANUARY 13, 2012

Circle areas are proportional to values for (A and B) climate change, (C and D) human health (values for population over age 30), and (E and F) agriculture. In addition, they darken ice and snow, reducing their reflectivity and hastening global warming. Source: Shindell et al. Click to enlarge.

Carbon 257

Carbon Ozone Emissions International 257

Green Car Congress

OCTOBER 2, 2011

A NASA-led study has documented an unprecedented depletion of Earth’s protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere. The same ozone-loss processes occur each winter in the Arctic.

Ozone 186

Ozone 2011 Aura Davis 186

Green Car Congress

SEPTEMBER 25, 2009

Significant climate anomalies 2008/2009. Source: Climate Change Compendium. Global emissions were growing by 1.1% The developing and least-developed economies, 80% of the world’s population, accounted for 73% of the global growth of emissions in 2004. Click to enlarge. Earlier post.). Earlier post.).

Climate Change 259

Climate Change Climate 2007 Ozone 259

Green Car Congress

DECEMBER 27, 2020

billion (US) in economic losses, according to a new study led by researchers from the Global Observatory on Pollution and Health at Boston College, the Indian Council of Medical Research, and the Public Health Foundation of India. Landrigan, MD, director of the Global Observatory on Pollution and Health. It is causing 1.67 since 1990.

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Pollution India 2019 Boston 321

Green Car Congress

SEPTEMBER 6, 2013

While they do not deplete the ozone layer, many are highly potent greenhouse gases whose use is growing rapidly as replacements for ozone-depleting substances being phased out under the Montreal Protocol. Left unabated, HFC emissions could grow to nearly 20% of carbon dioxide emissions by 2050, a serious climate mitigation concern.

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Saudi Arabia Ozone China Brunei 199

Green Car Congress

SEPTEMBER 8, 2011

The study will appear next month in the peer-reviewed journal Climatic Change Letters. Relying more on natural gas would reduce emissions of carbon dioxide, but it would do little to help solve the climate problem. However, the effects of natural gas on climate change have been difficult to calculate. degrees F (0.1-0.2

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Coal Climate Gas Global 334

Green Car Congress

JANUARY 23, 2020

Despite reports that global emissions of the potent greenhouse gas, HFC-23, were almost eliminated in 2017, an international team of scientists, led by the University of Bristol, has found atmospheric levels growing at record values. As a result, they reported that they had almost completely eliminated HFC-23 emissions by 2017.

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Emissions India Ozone 2017 199

Green Car Congress

OCTOBER 23, 2020

in 2018 (2000-2018 average year-over-year increase is 6.8%), continuing the increasing trend as they replace Ozone Depleting Substances (ODS) being phased out under the 1987 Montreal Protocol. Per capita GHG emissions in California have dropped from a 2001 peak of 14.0 tons per person to 10.7 tons per person in 2018, a 24% decrease.

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2020 California Emissions 2018 221

Green Car Congress

JULY 10, 2009

Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways.

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Ozone Water CO2 MIT 186

Green Car Congress

JUNE 27, 2017

Percent reduction in visible solar energy due to ambient PM (plus a small contribution from ozone) (A), only dust PM deposition (B) deposition of all PM components (C), and atmospheric and deposited combined (D; note change in scale). Credit: ACS, Bergin et al. Click to enlarge. —Michael Bergin.

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Solar Energy Global Production 218

Cars That Think

NOVEMBER 16, 2021

The leaders of the world have just returned from the UN's latest climate change summit, COP26 , in which the countries that have signed on to the Paris Agreement upped their commitments to fight climate change. C by the year 2100 , according to Climate Action Tracker. C above pre-industrial levels.

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Climate Climate Change Mariner Pollution 144

Green Car Congress

AUGUST 2, 2012

Following this BAU scenario, the researchers projected that air quality for the global average citizen in 2050 would be almost comparable to that for the average citizen in East Asia in the year 2005—an outcome which underscores the need to pursue emission reductions, according to the authors. —Pozzer et al.

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India Global 2005 Asia 240

Green Car Congress

JUNE 9, 2013

A global phase down of HFCs could potentially reduce some 90 gigatons of CO 2 equivalent by 2050, equal to roughly two years worth of current global greenhouse gas emissions. While they do not deplete the ozone layer, many are highly potent greenhouse gases.

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United States Ozone China Climate Change 218

Green Car Congress

DECEMBER 22, 2010

That’s three times the amount estimated by the Intergovernmental Panel on Climate Change (IPCC). This new global emission estimate is startling. Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction.

New Hampshire 199

New Hampshire Global Climate Change Ozone 199

Green Car Congress

JULY 29, 2010

Controlling soot from fossil fuels and solid biofuels may be a faster method of reducing Arctic ice loss and global warming than other options, including controlling CH 4 or CO 2 , although all controls are needed, according to a new study by Dr. Mark Z. Jacobson at Stanford University. Mark Jacobson. degrees Celsius (4.5

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Global Ozone CO2 Pollution 230

Green Car Congress

SEPTEMBER 19, 2019

The California waiver authority exists because California has uniquely difficult problems with ozone-forming pollutants. The California waiver authority does not exist to allow California to address national and global issues such as climate change.

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Fuel Economy EPA Economy Fuel 220

Green Car Congress

NOVEMBER 21, 2011

The decrease in CO 2 equivalent emissions of ODSs (ozone-depleting substances: CFCs, halons, HCFCs, and others) may be offset by the projected increase in their non-ozone depleting substitutes (HFCs) (lines designated as HFC scenarios). The contribution of HFCs to climate forcing is currently less than 1% of all greenhouse gases.

Climate 287

Climate Ozone Emissions Transportation 287

Green Car Congress

JUNE 23, 2009

Global ozone-depleting substances (ODSs) and HFC emissions (A), global CO 2 and HFC emissions (B), and ODS, HFC, and CO 2 global RF (C) for the period 2000–2050. These HFCs, gases used in refrigerators and air conditioners, are substitutes for ozone-depleting gases, but they are also strong greenhouse gases.

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Global Ozone Micronesia Mauritius 150

Green Car Congress

FEBRUARY 4, 2013

Maersk Container Industry (MCI) is calling for tougher enforcement of European environmental legislation designed to protect the Earth’s ozone layer and help prevent climate change. The global warming potential (called GWP) of a 40' reefer box with SuPoTec is reduced to about 1% compared with a container made with HCFC141b.

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Ozone 2002 Denmark Climate Change 225

Cars That Think

DECEMBER 19, 2021

Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather?

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Ozone Solar Climate Change Climate 122

Green Car Congress

AUGUST 4, 2010

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. Tags: Aviation Climate Change Emissions. Bars represent 1 SD. Click to enlarge. Technol. ,

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Global Climate Change Climate 2000 225

Green Car Congress

SEPTEMBER 2, 2009

Geoengineering is defined as the deliberate large-scale intervention in the Earth’s climate system in order to moderate global warming. Geoengineering and its consequences are the price we may have to pay for failure to act on climate change. Unless emissions of carbon dioxide can be greatly reduced—i.e.,

Climate Change 186

Climate Change Climate Price International 186

Green Car Congress

JUNE 26, 2015

Haagen-Smit Clean Air Awards are given annually to individuals who have made significant lifetime contributions toward improving air quality and climate change science, technology and policy, furthering the protection of public health. Smith, professor of global environmental health, University of California Berkeley.

Climate Change 150

Climate Change Pollution Climate Ozone 150

Green Car Congress

APRIL 11, 2014

Chlorofluorocarbons (CFCs)—commonly used in refrigerators and air conditioners—play a role in creating a hole in the ozone layer over Antarctica. However, more complete reporting of global HFC emissions is required, as less than half of global emissions are currently accounted for. —Rigby et al.

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Climate Ozone Climate Change MIT 199

Green Cars News

JULY 22, 2010

A new report released by the California Air Resources Board (ARB) has sent a stark warning on the effects of climate change on ozone levels in the state’s major air basins.

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Ozone Climate Change Davis Climate 44

Green Car Congress

APRIL 17, 2009

The proposed cause or contribute finding concludes that that the combined emissions of CO 2 , CH 4 , N 2 O, and HFCs from new motor vehicles and motor vehicle engines contribute to the atmospheric concentrations of these key greenhouse gases and hence to the threat of climate change.

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EPA Climate Change Ozone Motor 150

Green Car Congress

JANUARY 16, 2012

The researchers believe the measurements will substantially impact the understanding of atmospheric chemistry mechanisms—in particular, in the more rapid formation of secondary aerosols, important in the formation of local smog as well as in global climate change. Carl Percival. —Welz et al. —Marston (2012).

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Ozone Climate Change Climate 2012 268

Green Car Congress

MAY 10, 2013

The short-lived climate pollutants (also called super pollutants) include black carbon, a primary component of soot; tropospheric ozone, the principle component of urban smog; methane; and hydrofluorocarbons (HFCs). C in projected cumulative warming by 2050 and 1.1 °C C or more projected warming by 2100, IGSD says.

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Pollution Emissions Ozone Climate Change 199