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Study suggests future climate changes to worsen air quality for >85% of China’s population; ~20k+ additional deaths each year

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A study by a team of researchers from China, the US and Germany suggests that future climate change may worsen air quality for more than 85% of China’s population, leading to an additional 20,000 deaths each year. Managing air quality in China in a changing climate will thus become more challenging.

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Scientists call for careful use of time scales, reference dates and statistical approaches in analyzing climate change trends to avoid distortion and hampering of response

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Demonstrating that the use of different time scales, reference dates, and statistical approaches can generate highly disparate results in climate reports, scientists at the University of Alaska Anchorage argue that careful use of these tools is critical for correctly interpreting and reporting climatic trends in Alaska and other polar regions.

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Study finds 1.4 Gt discrepancy between national and provincial data sets for greenhouse gas emissions in China

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The gap, noted the researchers in their open-access paper in Nature Climate Change , is equivalent to Japan’s annual CO 2 emissions, the world’s fourth largest emitter, with 5% of the global total. The dashed line represents the aggregated CO2 emissions calculated from the provincial energy statistics 1997–2010.

Emissions 218
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Study using paleoclimate data suggests climate sensitivity to CO2 doubling may be less severe than projected

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The team combined extensive sea and land surface temperature reconstructions from the Last Glacial Maximum (LGM) with a climate model of intermediate. complexity to estimate the equilibrium climate sensitivity for a doubling of atmospheric carbon dioxide concentrations (ECS 2xC ) from. preindustrial times. preindustrial times.

Climate 220
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Study: expanding Brazilian sugarcane for ethanol could reduce global CO2 emissions by up to 5.6%

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However, it could be accomplished without impinging on environmentally sensitive areas in Brazil and while allowing for the expansion of other agricultural crops and human needs, the researchers report in a paper in the journal Nature Climate Change. million and 116 million hectares (144,788 to 447,879 square miles). Gigatons yr −1.

Brazil 150
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New study puts air-pollution related deaths in India in 2019 at 1.67 million

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It increases future risk for heart disease, diabetes, and respiratory disease for today’s children when they become adults. There are similar statistics from Europe, Australia, and Japan. The consequences will be long-lasting without efforts to reduce air pollution in the nation of 1.35 It is reducing children’s IQ.

Pollution 321
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New ORNL tool to assess global freshwater stress suggests that population growth could be a bigger factor in water availability than increasing temperatures

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An Oak Ridge National Laboratory (ORNL) paper published in Computers & Geosciences outlines a process that might help to determine the relative importance of population increases vs. climate change. Our work establishes a new method to couple geographic information system data with global climate outputs and statistical analysis.

Water 236