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UNEP study: small number of measures targeting black carbon and tropospheric ozone could yield immediate climate benefits

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Black carbon and tropospheric ozone are harmful air pollutants that also contribute to climate change. Reducing black carbon and tropospheric ozone now will slow the rate of climate change within the first half of this century, the study said. Full implementation of these measures would reduce future global warming by 0.5 °C

Ozone 218
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MIT study says combustion emissions cause ~200,000 premature deaths/year in US; vehicles and power generation top sources

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Annual average concentrations of fine particulates from US sources of combustion emissions from (a) electric power generation; (b) industry; (c) commercial and residential sources; (d) road transportation; (e) marine transportation; (f) rail transportation; (g) sum of all combustion sources; (h) all sources. Source: MIT. Click to enlarge.

MIT 378
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Study finds household and outdoor air pollution contributes to more than 5.5 million premature deaths worldwide per year

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of all global deaths) caused by outdoor fine particulate air pollution and an additional 215,000 deaths from exposure to ozone. In China, burning coal is the biggest contributor to poor air quality. Our study highlights the urgent need for even more aggressive strategies to reduce emissions from coal and from other sectors.

Pollution 150
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Earth Day and the Importance of Green Energy

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In this celebration, we acknowledge the future of green technology is not only healthier for the planet and its residents, but more high-tech than more archaic, higher polluting options. Experts say there is enough heat energy located just under the United States to produce ten times as much energy as coal. Earth Day and Green Tech.

Green 52
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EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

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The finding may have an impact on future regulation of fracking for natural gas production, as opponents of the technology have pointed to higher rates of methane leak as being an argument against it. The figure includes the direct effects and those indirect effects due to the production of tropospheric ozone and stratospheric water vapor.)

2007 285
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NASA GISS Study Finds That Methane Has an Elevated Warming Effect Due to Interactions With Aerosols

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Finally, our results demonstrate that improving our knowledge of aerosol-climate interactions is important not only for better understanding the aerosol contribution to past and future climate change, but even for correctly evaluating the effects of long-lived greenhouse gas emissions from methane-oxidant-aerosol interactions. Shindell et al.

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IPCC: GHG emissions accelerating despite mitigation efforts; major institutional and technological change required to keep the heat down

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The increase in anthropogenic emissions comes directly from energy supply (47%); industry (30%); transport (11%); and buildings (3%) sectors, the WG reported with medium confidence. Increased use of coal relative to other energy sources has reversed the long?standing GtCO 2 eq/yr in 2010. century through large?scale

Emissions 257