Green Car Congress

FEBRUARY 22, 2011

The climate change benefit is estimated for 2050 and human health and crop benefits are for 2030 and beyond. Widespread implementation is achievable with existing technology but would require significant strategic investment and institutional arrangements, the study found. Click to enlarge.

Ozone 218

Ozone Climate Carbon Climate Change 218

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

MAY 16, 2014

the final version of the proposed First Update to the Climate Change Scoping Plan (First Update). Furthermore, commercially available technologies, such as fuel efficient passenger vehicle tires, can be utilized by both new and in-use vehicles in the near-term to achieve GHG emission reductions. Earlier post.).

Climate Change 218

Climate Change Climate California Ozone 218

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.

Climate Change 210

Climate Change Climate Pollution California 210

Green Car Congress

MAY 17, 2020

The system will graph lifecycle impact for a range of specified powertrains, for a large number of impact categories: Climate change [kg CO 2 -eq.]. Deterioration of the ozone layer [kg CFC-11-eq.]. The top sample above shows climate change impact; the subsequent chart shows human toxicity. —Romain Sacchi.

Mariner 435

Mariner Climate Change DC Cars 435

Green Car Congress

JUNE 15, 2011

The climate change benefit is estimated for a given year (2050) and human health and crop benefits are. Fast action on pollutants such as black carbon, ground-level ozone and methane may help limit near term global temperature rise and significantly increase the chances of keeping temperature rise below 2 °C (3.6 °F)—and

Ozone 218

Ozone Carbon Climate Change Global 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

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. Methane is both a potent greenhouse gas and an important precursor to ground-level ozone. Source: Shindell et al. Click to enlarge. —Shindell et al.

Carbon 257

Carbon Ozone Emissions International 257

Green Car Congress

NOVEMBER 13, 2017

Although China and India remain the world’s largest consumers of coal, a new University of Maryland-led study found that China’s sulfur dioxide emissions fell by 75% since 2007, while India’s emissions increased by 50%. The open access study is published in the journal Scientific Reports. Click to enlarge. —Can Li.

India 170

India 2007 Emissions Aura 170

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. Benjamin Felzer, Lehigh University.

Ozone 186

Ozone Water CO2 MIT 186

Green Car Congress

JUNE 27, 2017

According to a new study led by a team at Duke University, airborne particulate matter and dust are cutting solar photovoltaic energy output by more than 25% in certain parts of the world, with roughly equal contributions from ambient PM and PM deposited on photovoltaic surfaces. Credit: ACS, Bergin et al. Click to enlarge. 7b00197.

Solar 218

Solar Energy Global Production 218

Green Car Congress

SEPTEMBER 25, 2009

Significant climate anomalies 2008/2009. Source: Climate Change Compendium. The hole in the ozone layer has had a cooling effect on Antarctica, and is partly responsible for masking expected warming on the continent. Climate Change Science Compendium 2009. Tags: Climate Change. Earlier post.).

Climate Change 259

Climate Change Climate 2007 Ozone 259

Green Car Congress

MARCH 17, 2010

In a new study published online 10 March in the ACS journal Environmental Science and Technology , however, Stanford University professor Mark Jacobson finds that local CO 2 emissions in isolation may increase local ozone and particulate matter. his study contradicts that assumption. As in real estate, location matters.”.

Ozone 218

Ozone Los Angeles Pollution CO2 218

Green Car Congress

MARCH 19, 2012

Patenting activity in the four indicator technologies peaked during traditional environmental regulation and declined during CTP trading to nadirs comparable to levels observed before the start of national SO 2. Respectively, Title IV of the 1990 Clean Air Act and the Ozone Transport Commission/NO x Budget Program.). Taylor 2012.

Climate 261

Climate Energy Clean Cleaning 261

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

MARCH 16, 2012

eutrophication; ET = ecological toxicity; FEC = fossil energy consumption; WU = water use; LO = land occupation; “The rest” includes acidification; smog formation; ozone layer depletion; and human health effects. For gasoline, the study reflects the US context in which crude oil is to a large extent imported and refined domestically.

Gasoline 357

Gasoline Water Emissions Minnesota 357

Green Car Congress

AUGUST 2, 2012

The emission scenario assumes that population and economic growth largely determine energy and food consumption and consequent pollution sources with the current technologies (“business as usual”). Northern India and the Arabian Gulf region, on the other hand, will suffer a marked increase in ozone levels.

India 240

India Global 2005 Asia 240

Green Car Congress

FEBRUARY 22, 2011

HFCs are chemicals are potential substitutes for ozone-depleting and climate-warming CFCs and HCFCs currently being phased out under the Montreal Protocol treaty to protect the ozone layer. The Joint Task Force will submit its report by 1 August 2011.

Micronesia 186

Micronesia Ozone South Africa India 186

Green Car Congress

SEPTEMBER 25, 2016

Among the findings of the report, “HFC-134a phase-out in the Chinese light-duty motor vehicle sector”, was that, considering the social cost of CO 2 e, up to 1 trillion RMB in costs (US$150 billion) required to address climate change could be avoided through 2050 by transitioning to low-GWP alternative MACs.

China 150

China Ozone Chinese United States 150

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? Research takes a long time.

Ozone 121

Ozone Solar Climate Change Climate 121

Green Car Congress

SEPTEMBER 9, 2012

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?

Climate 240

Climate Emissions Ozone 2007 240

Green Car Congress

NOVEMBER 28, 2009

The studies use case studies to demonstrate the co-benefits of tackling climate change in four sectors: electricity generation, household energy use, transportation, and food and agriculture. Climate change threatens us all, but its impact will likely be greatest on the poorest communities in every country.

Pollution 210

Pollution Climate Change Ozone Climate 210

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). The study was published the in ACS journal Environmental Science & Technology. Tags: Aviation Climate Change Emissions.

Global 225

Global Climate Change Climate 2000 225

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. IEEE Spectrum : What role does Silver Lining play in climate research or advocacy? In 2015, the U.S.

Climate 144

Climate Climate Change Mariner Pollution 144

Green Car Congress

SEPTEMBER 2, 2009

Geoengineering and its consequences are the price we may have to pay for failure to act on climate change. Professor John Shepherd, chair of the Royal Society’s geoengineering study. None of the geoengineering technologies so far suggested is a magic bullet, and all have risks and uncertainties associated with them.

Climate Change 186

Climate Change Climate Price International 186

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).

Pollution 199

Pollution Emissions Ozone Climate Change 199

Green Car Congress

APRIL 2, 2009

The study by Nadine Unger, Drew Shindell and James Wang will appear in an upcoming issue of the journal Atmospheric Environment. The study applied the NASA Goddard Institute for Space Studies (GISS) model for Physical Understanding of Composition-Climate INteractions and Impacts (G-PUCCINI). Unger et al.

Climate 150

Climate Emissions Transportation Climate Change 150

Green Car Congress

MARCH 22, 2018

Previously, the researchers studied European conurbations from the air. The transport and transformation of plumes from selected European and Asian major population centers (MPCs) will now be investigated with special focus on the rate of formation of ozone and aerosols. The EMeRGe project receives around €6 million (US$7.4

Emissions 268

Emissions Taiwan Asia Ozone 268

Green Car Congress

OCTOBER 15, 2018

This study simulated bluff body stabilized non-premixed turbulent ammonia (NH 3 )/air flames using swirling flows. This study also found that the effect of pressure on NO emissions is significant irrespective of the combustion type, because reducing the OH radical concentration in NH 3 /air flame at high pressure limits the NO generation.

Emissions 308

Emissions Hydrogen Fuel Global 308

Green Car Congress

JUNE 12, 2023

A study led by Norwegian climate center CICERO has found that the global warming effect of leaked hydrogen is almost 12 times stronger than that of CO 2. Hydrogen is not a greenhouse gas, but its chemical reactions in the atmosphere affect greenhouse gases such as methane, ozone, and stratospheric water vapor. Sand et al.

Hydrogen 435

Hydrogen Global Ozone CO2 435

Green Car Congress

JANUARY 28, 2014

Five technology paths for very-low-NO x and GHG emissions from heavy-duty natural gas engines. SoCalGas), showcases the technologies currently under development that could deliver near-zero-emission heavy-duty natural gas engines by the end of this decade. Click to enlarge. Click to enlarge. Background.

Climate 257

Climate Gas Emissions California 257

Green Car Congress

APRIL 3, 2009

The SCOPE (Scientific Committee on Problems of the Environment) International Biofuels Project, has published the full proceedings of its Rapid Assessment workshop on the environmental effects of biofuel technologies, 22-25 September 2008. SCOPE is part of the International Council for Science.

Conversion 150

Conversion Water Emissions 2009 150

Green Car Congress

APRIL 2, 2012

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 climate change. and many studies do not provide quantitative estimates of cloud impacts. Earlier post.).

Congress 252

Congress EPA Carbon Emissions 252

Green Car Congress

JULY 18, 2010

The report did note, however, that there are some serious questions over adverse effects with this method, particularly depletion of stratospheric ozone. Geoengineering and its consequences are the price we may have to pay for failure to act on climate change.”. Evaluating candidate particles.

Climate 199

Climate Engine Ozone Solar 199

Green Car Congress

OCTOBER 11, 2012

A paper on their work is published in the ACS journal Environmental Science & Technology. 60% of ground-level ozone (O 3 ) precursors, 6% of fine particulate matter (PM 2.5 ), and 22% of greenhouse gases (GHGs) emitted. Environmental Science & Technology doi: 10.1021/es3010514. Marshall, and Jason D.

Gasoline 236

Gasoline Emissions Gasoline-Electric Pollution 236

Green Car Congress

APRIL 1, 2009

The draft promotes development of carbon capture and sequestration (CCS) technologies to establish a continuing place for coal in the US energy mix. The draft adds HFCs to the list of similar substances that EPA currently regulates because they deplete the ozone layer. Exporting Clean Technology. Clean Air Act Exemptions.

Climate 186

Climate Standards Carbon California 186

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines.

Fleet 207

Fleet Engine Global Fuel Economy 207