Green Car Congress
MAY 17, 2018
Emissions of one of the chemicals most responsible for the Antarctic ozone hole are on the rise, despite an international treaty that required an end to its production in 2010, a new study by researchers at NOAA and their colleagues shows. —NOAA scientist Stephen Montzka, lead author of the paper.
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
DECEMBER 23, 2018
and ozone at or above the current standards have been linked to neuroinflammation and high risk of Alzheimer’s disease (AD). suggesting long-term exposure to PM 2.5 , as well as ozone above the current US EPA standards, are associated with increased risk of Alzheimer’s disease. Exposures to concentrations of PM 2.5 g/m 3 in PM 2.5
Green Car Congress
JANUARY 13, 2012
A study by an international team of researchers, led by Drew Shindell of NASA’s Goddard Institute for Space Studies (GISS) in New York City, has identified 14 measures targeting methane and black carbon (BC) emissions that could reduce projected global mean warming ~0.5°C Source: Shindell et al. Click to enlarge. —Shindell et al.
Green Car Congress
DECEMBER 4, 2011
An international team of scientists who monitor the rapid changes in the Earth’s northern polar region say that the Arctic is entering a new state, one with warmer air and water temperatures, less summer sea ice and snow cover, and a changed ocean chemistry.
Green Car Congress
APRIL 17, 2009
There are two public hearings scheduled for this proposed finding: 18 May at the EPA Potomac Yard Conference Center, Arlington, VA; and 21 May at the Bell Harbor International Conference Center in Seattle, WA. Climate change has the potential to produce increases in ground-level ozone in many regions, according to the report.
Green Car Congress
MAY 6, 2010
Some automakers have done internal testing and have found sensitivity to intermediate ethanol blend levels for non-FFV vehicles. CRC E-87) A study by Orbital in Australia has documented the issue of accelerated catalyst aging with intermediate ethanol blends. Base engine durability (CRC CM-136-09). Catalyst durability and degradation.
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