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Hadley Centre: Average 4 C Warming Could Happen Within a Human Lifetime, With Even Greater Warming in Many Regions

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Comparison of surface temperature projections from the high-end emissions scenario, without carbon cycle feedbacks. One of the UK’s leading climate scientists has presented new research findings on the increasing potential for a 4 degrees Celsius (7.2 °F) Tags: Climate Change. Source: Met Office. Click to enlarge.

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PBL/JRC: Global CO2 emissions increase to new all-time record in 2013, but growth is slowing down

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Sharp risers include Brazil (+ 6.2%), India (+ 4.4%), China (+ 4.2%) and Indonesia (+2.3%). In comparison, China’s emissions per 1000 US$ of GDP are almost twice those of the US (330 kg CO 2 /1000 US$) and almost three times those of the EU (220 kg CO 2 /1000 US$). Climate Change Emissions' billion tonnes (Gt).

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Ford researchers: global light-duty CO2 regulatory targets broadly consistent with 450 ppm stabilization

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While the proposed China regulation for 2020 is more stringent than the glide path, the 2017 Brazil regulation is less stringent. Brazil recently proposed passenger vehicle CO 2 emissions regulations of 135 g CO 2 /km by 2017,57 considerably less stringent than the 450 ppm glide path result of 126 g CO 2 /km in 2015.

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GISS study finds applying stricter non-CO2 vehicle emission standards worldwide would yield climate benefits in addition to major health and agricultural benefits

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However, these standards will not reduce CO 2 emissions, which is required to mitigate long-term climate change, the team notes. However, these standards will not reduce CO 2 emissions, which is required to mitigate long-term climate change, the team notes. In comparison, the Northern Hemisphere has warmed by about 0.3°C

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Study concludes that sugar cane-based biorefineries producing ethanol and electricity could power a global auto fleet of hybrids and EVs using only 4% of available cropland

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However, if both ethanol and bioelectricity are used in an optimized proportion, 385 billion liters of ethanol and 262 TWh of electricity would be enough to power the US fleet and, in Brazil, 33 billion liters of ethanol and 23 TWh would be sufficient to operate the fleet for a one-year period.

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IEA working paper highlights potential role of natural gas in reducing global road transport CO2

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Vehicle and fuel technology for natural gas is available today and relatively affordable, particularly in comparison with other alternative fuel vehicles (AFVs). The paper uses Brazil, India, Iran, Pakistan, the US and Europe as case studies. Tags: Climate Change Emissions Heavy-duty Natural Gas.

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Separate MIT, IEA reports both outline major expansion in role of natural gas; caution on climate benefits

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The new report, part of the World Energy Outlook (WEO) 2011 series, examines the key factors that could result in a more prominent role for natural gas in the global energy mix, and the implications for other fuels, energy security and climate change.

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