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Street network patterns reveal global trend towards increasing urban sprawl

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New research from McGill University and the University of California, Santa Cruz has found that the local streets of the world’s cities are becoming less connected, a global trend that is driving urban sprawl and discouraging the use of public transportation. SNDi for streets added years 2000 to 2014.

Global 195
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TOAR shows present-day global ozone distribution and trends relevant to health; public database

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Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. Source: University of Leicester. Source: University of Leicester. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb.

Ozone 255
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Study finds that worldwide SO2 emissions rose between 2000-2005 after decade of decline; China, shipping topped growth

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Global sulfur dioxide emissions by region. Sulfur aerosols impact human health, ecosystems, agriculture, and global and regional climate. While the overall global uncertainty in sulfur dioxide emissions is relatively small, regional uncertainties ranged up to 30%. Credit: Smith et al. Click to enlarge. —Smith et al.

2005 186
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Study estimates global black carbon emissions up 72% from 1960-2007; BC emissions intensity down 52%

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A study led by a team from Peking University has estimated that global black carbon (BC) emissions increased from 5.3 The emissions are shown for China (red), other developing countries (blue), developed countries (green), and global total (black). Black carbon emissions and BC emissions intensity per year. Click to enlarge.

2007 268
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Study Finds Stratospheric Water Vapor Is An Important Driver of Decadal Global Surface Climate Change

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Decadal warming rates arising from (i) greenhouse gases and aerosols alone (black); (ii) that obtained including the stratospheric water decline after 2000 (red); and (iii) including both the stratospheric water vapor decline after 2000 and the increase in the 1980s and 1990s (cyan). Credit: Solomon et al., Click to enlarge.

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Analysis of drill cores links variations in CO2 40M years ago to changes in global temperatures; questions as to the source of CO2

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Variations in atmosphere carbon dioxide around 40 million years ago were tightly coupled to changes in global temperature, according to new findings published in the journal Science. Maximum levels in the MECO reached 4000 ppmv or higher—similar, perhaps, to a future anthropogenic greenhouse maximum.”

CO2 236
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Remembering Roberto Saracco, President of EIT Digital

Cars That Think

Saracco also taught courses on technology forecasting and market impact at the University of Trento in Italy. He was also a co-chair of the IEEE Digital Reality initiative, dedicated to facilitating disruptive technological innovations and fostering cross-industry collaborations globally while taking societal impact into consideration.

Tribute 87