Green Car Congress
FEBRUARY 10, 2013
Among the many climate-related vulnerabilities that can impact its mission, the US Environmental Protection Agency (EPA) cites a likely increase in tropospheric ozone pollution as potentially making it more difficult to attain National Ambient Air Quality Standards ( NAAQS ) in many areas with existing ozone problems.
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
JUNE 13, 2009
But excess nitrogen is emitted from soils, seeps into groundwater and runs off into surface waters. Nitrogen runoff in bays and coastal areas, where it makes algae numbers spike then crash, drawing oxygen from the water and leading to dead zones—areas that cannot support finfish, shellfish or most other aquatic life. Tom Tomich.
Green Car Congress
MAY 28, 2010
These connections arise because in many cases the agents of concern are the same, and in many cases the sources of the agents are the same or intimately connected.For example, surface ozone is both an air pollutant and a greenhouse gas. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs.
Green Car Congress
APRIL 17, 2009
Findings from a recent EPA study titled “Assessment of the Impacts of Global Change on Regional US Air Quality: A Synthesis of Climate Change Impacts on Ground-Level Ozone,” for example, suggest that climate change may lead to higher concentrations of ground-level ozone, a harmful pollutant.
Green Car Congress
FEBRUARY 11, 2014
The update identifies eight key sectors for ongoing action: Energy; Transportation, fuels, land use and infrastructure; Agriculture; Water; Waste management; Natural lands; Short-Lived Climate Pollutants (such as methane and black carbon); and Green Buildings. Transportation.
Green Car Congress
SEPTEMBER 25, 2009
Losses of tropical and temperate mountain glaciers affecting perhaps 20-25% of the human population in terms of drinking water, irrigation and hydro-power. Key developments documented since the IPCC Fourth Assessment Report include: Earth Systems. Polar and mountaintop species have seen severe contractions of their ranges.
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