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Study finds methane emissions from coal mines ~50% higher than previously thought

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The amount of methane released into the atmosphere as a result of coal mining is likely approximately 50% higher than previously estimated, according to research presented at the recent annual meeting of the American Geophysical Union. The authors point out that less coal production doesn’t translate to less methane.

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Electric Trucks Are Already Lower Carbon Than Rail In Much Of North America

CleanTechnica EVs

In 2010, I was consulting to Canadian National Railroad, at the time with the legendary Hunter Harrison as CEO. At the time, [continued] The post Electric Trucks Are Already Lower Carbon Than Rail In Much Of North America appeared first on CleanTechnica.

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IEA: carbon intensity of global energy supply has barely changed in last 20 years; “window of opportunity in transport”

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Since 1990, however, the ESCII (2010 = 100) has remained essentially static, changing by less than 1%. tCO 2 /toe); in 2010 it was 56.7 The IEA said that this reflects the continued domination of fossil fuels—particularly coal—in the energy mix and the slow uptake of other, lower-carbon supply technologies.

Carbon 265
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UN report finds world needs incremental $1.9 trillion invested in green technologies to avert planetary catastrophe; global per capita cap on primary energy consumption of 70 GJ/yr may be required

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trillion in 2010) would be required to overcome poverty; increase food production to eradicate hunger without degrading land and water resources; and avert the climate change catastrophe. The reports estimates that incremental green investment of about 3% of world gross product (WGP) (about $1.9

Global 338
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US and Swiss researchers model two very high carbon emissions scenarios

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US and Swiss researchers have modeled two climate scenarios with very high carbon emissions—above the A1F1 scenario, currently representing the upper bound of predicted carbon emissions in the IPCC work—to investigate the resulting climate change implications.

Carbon 199
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WHO data: global annual PM10 increased by 6% during recent 3-year period; based on data from 851 cities

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The 2011 version of the database contains data for 2010 or earlier, and the 2014 version for 2012 or earlier. WHO notes that the results for the 851 cities are to be interpreted with caution, as yearly variations due, for example, to climatic changes can be important and 3?year East Asia, Wpr: Western Pacific; LMI: Low?

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Researchers Suggest That Although CCS and Other Technologies Could Reduce Oil Sands GHG Emissions to Near Zero, That Strategy May Not Make Sense

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Nor does this estimate include the use of transportation fuels in vehicles, which occurs throughout North America (NA); approximately two-thirds of oil sands products end up in the US. Yet, coal-fired emissions in Alberta receive relatively little attention from environmental organizations and the public. Bergerson and Keith.

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