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

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for year 2007. A new black carbon (BC) emissions inventory from China found BC emissions levels in 2007 of 1,957 Gg BC—higher than reported in earlier studies. The paper by researchers from Peking University and Environment Canada appears in the ACS journal Environmental Science & Technology. 2007 were used in this study.

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Choosing not to drive: A transient or a permanent phenomenon?

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To answer that question, the second of the two present analyses examined cohort trends from 2007 to 2017 for persons aged 20 to 29 years in 2007. The people in cohort 1 in 2007 and in 2017 are the same people, except for those who died and immigrated/emigrated. minus 81.7 is 45% of 100 minus 81.7.)

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Does e-commerce affect the amount of travel in the United States?

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For example, retail e-commerce sales during the fourth quarter of 2007 totaled $36.2 The years analyzed were 2007 and 2017 (the latest available survey year). Given the sizes of the standard errors, none of the three variables of interest showed a statistically significant difference between 2007 and 2017. of all retail sales.

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Open Letter by Netherlands Scientists on IPCC and Errors in 2007 Climate Change Report

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The measured temperature increase lags several decades behind the changes in atmospheric composition: with present day greenhouse gas concentrations the temperature is expected to further increase by at least 1 °C in the coming decades. At present 194 countries participate in the IPCC, including the Netherlands.

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Study: Bio-Based Plastics Could Ultimately Replace Up to 90% of Total Global Consumption of Plastics in 2007

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Replacement of up to 90% (270 Mt) of the total global consumption of plastics in 2007 with bio-based plastics is ultimately technically possible, according to new study by authors at Utrecht University, commissioned by the associations European Bioplastics and the European Polysaccharide Network of Excellence (EPNOE). Click to enlarge.

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This IEEE Service-Learning Program Is More Popular Than Ever

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Since its founding in 1995 at Purdue University , the Engineering Projects in Community Service (EPICS) in IEEE program has been providing nonprofit organizations with technology to improve and deliver services to their community while broadening undergraduate EE students’ hands-on experiences. sustainable development goals.

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Traditional retail sales steady despite e-commerce

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Here I present the results of a new analysis showing that this explanation is not entirely correct. That is consistent with a recent finding that, between 2007 and 2017, there was no significant reduction in the amount of travel in connection with purchasing goods and services.

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