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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.
Significant climate anomalies 2008/2009. Source: Climate Change Compendium. Shifts in the hydrological cycle resulting in the disappearance of regional climates with related losses of ecosystems, species and the spread of drylands northwards and southwards away from the equator. Click to enlarge. Earlier post.). Earlier post.).
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.
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 project builds upon the idea that air quality and climate change issues are linked through “one atmosphere”, an approach that demands coordination and multi-tiered approaches.
while the US GDP is projected to grow by 40%, according to the fifth National Communication on US climate change actions submitted by the US Department of State to the United Nations Framework Convention on Climate Change. The United States released previous Climate Action Reports in 1994, 1997, 2002, and 2006.
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. Technical support document for the proposed findings.
From: Geoengineering the Climate (2009) Click to enlarge. 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. Professor John Shepherd.
Acidification of sea water (“ocean acidification”) as a result of carbon dioxide absorption has also been documented in the Beaufort and Chukchi seas. In 2006, NOAA’s Climate Program Office introduced the State of the Arctic Report which established a baseline of conditions at the beginning of the 21 st century.
microns or less (PM 2.5 ); and NO x emissions that lead to ozone and secondary PM. The truck and bus commercial pilot projects funded under the new solicitation will support the Sustainable Freight document vision to overcome the technical and economic challenges with zero-emission technology advancement.
A new study led by researchers from Northwestern University projects that if electric vehicles replaced 25% of combustion engine cars currently on the road, the United States would save approximately $17 billion annually by avoiding damages from climate change and air pollution. The open-access paper is published in AGU’s journal GeoHealth.
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. Ozone, a key component of smog and also a greenhouse gas, damages crops and human health.
These environmental impacts are not fully documented, according to Tom Tomich, director of the Agricultural Sustainability Institute at UC Davis. With this new funding, we can start to fill in those blanks, and improve management of nitrogen, carbon and water to help move agriculture toward sustainability in significant ways.
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. The 2016 SIPs will outline attainment strategies through 2032.
Emission reductions produced by the project are verified by an approved third party and registered with the Climate Action Reserve (Project ID CAR102 ). The Group documents the results of its efforts in the form of Environmental Commendations that consider the entire lifecycle of a vehicle from material production through to recycling.
California agency leaders released the Draft California Sustainable Freight Action Plan , an ambitious document that lays a foundation for modernizing California’s multi-billion dollar freight transportation system. Benefits include meeting the state’s freight infrastructure, public health, air quality and climate goals.
Meanwhile, environmentalists were voicing concern—about how noisy such aircraft are taking off, about the possibility that their high-altitude emissions would erode the ozone layer, and about how disruptive the sonic booms would be. The last of these issues was perhaps the most vexing, prompting the U.S. Environmental Protection Agency.
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