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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. 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. Source: University of Leicester. Click to enlarge.

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Researchers Engineer Yeast to Produce Methyl Halides from Biomass; Precursors for Biohydrocarbon Fuels

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Researchers at the University of California San Francisco have engineered the industrial yeast S. To enable the yeast to use biomass as a feedstock, the team designed a novel co-culture of the MHT-expressing yeast with a mesophyllic cellulolytic bacterium, Actinotalea fermentans , which was isolated from a landfill in France.

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