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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 links increased black carbon pollution to increase in cases of lung adenocarcinoma worldwide

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An international team of scientists, led by NTU Singapore, has linked increased air pollution to an uptick in cases of lung adenocarcinoma (LADC) worldwide. This study, done in collaboration between NTU and the Chinese University of Hong Kong, showed that a 0.1 LSCC is often linked to a history of smoking. micrograms per cubic meter (?

Pollution 305
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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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These are some of the findings of a new health assessment based on the Tropospheric Ozone Assessment Report (TOAR), an effort by the International Global Atmospheric Chemistry Project to create the world’s most comprehensive database of surface ozone observations from all available ozone monitoring stations around the globe. Click to enlarge.

Ozone 255
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Study: expanding Brazilian sugarcane for ethanol could reduce global CO2 emissions by up to 5.6%

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Vastly expanding sugarcane production in Brazil for conversion to ethanol could reduce current global CO 2 emissions by as much as 5.6%, according to a new study by an international team led by researchers from the University of Illinois. The carbon-related costs of converting the land to sugarcane fields were included in the analysis.

Brazil 150
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Independent Panel Led by Former Non-Executive Chairman of Shell Clears UEA Climatic Research Unit of Any Scientific Impropriety and Dishonesty

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An Independent Panel in the UK led by Lord Oxburgh, who among his other prior duties was the non-executive chairman of Shell, has cleared the University of East Anglia of any scientific impropriety and dishonesty. As with many small research groups their internal procedures were rather informal.

Climate 186
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Digging into the differences in carbon accounting for biofuels

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The benefit to the climate of using biofuels as a substitute for fossil fuels has been sharply contested for years; much of the disagreement is based on the assumptions underlying the carbon accounting in the lifecycle analysis. earlier post ). earlier post ). The analysis presented by DeCicco et al. relies on three key assertions.

Carbon 150
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New inventory of black carbon emissions from China finds 2007 levels higher than previously reported

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The paper by researchers from Peking University and Environment Canada appears in the ACS journal Environmental Science & Technology. Black carbon is released into the atmosphere via incomplete combustion of carbonaceous fuel and is of major concern because of the impact on climate systems. Earlier post.). 2007 were used in this study.

2007 271