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.
Green Car Congress
OCTOBER 2, 2014
The awards are annually bestowed upon scientists, policy makers, community leaders and educators who have made outstanding contributions to the advancement of clean air and climate change science, technology and policy. The selection committee comprises past award winners.
Green Car Congress
NOVEMBER 13, 2017
Two maps compare total annual sulfur dioxide amounts for India and China during 2005 (left) and 2016 based on Ozone Monitoring Instrument measurements. Illustration: Chris McLinden, Environment and Climate Change Canada. Purple depicts the highest concentrations while white depicts the lowest. Click to enlarge.
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. Velders et al.
Green Car Congress
NOVEMBER 10, 2009
HFO-1234yf is a non-Ozone Depleting Substance with a Global Warming Potential (GWP) of 4. Tags: Climate Change Emissions Vehicle Systems. Issues concerning HFO-1234yf investigated in CRP 1234 included; safety and risk assessment; air-conditioning system efficiency and performance; material compatibility; flammability; and toxicity.
Green Car Congress
DECEMBER 5, 2009
A side event organized by the International Nitrogen Initiative (INI) at the COP-15 United Nations Climate Change Conference in Copenhagen will highlight nitrogen’s role in climate change. This massive alteration of the nitrogen cycle affects climate, food security, energy security, human health and ecosystem health.
Green Car Congress
AUGUST 30, 2009
It is possible to use gasoline C made with hydrated ethanol (AEHC) with minimum risk of phase separation due to Brazilian climate conditions. 80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year.
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