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6PPD-quinone derived from tire debris is toxic to two trout species, not just coho salmon

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6PPD is an antioxidant and antiozonant that helps prevent the degradation and cracking of rubber compounds caused by exposure to oxygen, ozone and temperature fluctuation. They found that even small concentrations, such as those regularly occurring in surface waters after stormwater runoff events, were fatal to brook and rainbow trout.

Ozone 370
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Toyota Central R&D Labs develops new ferrihydrite material that effectively removes ozone from air

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(Japan) report in the journal Angewandte Chemie the development of a mesoporous two-line ferrihydrite (2LFh)—ferrihydrite is a widespread mineral composed of iron, oxygen, and water—that could lead to a new generation of ozone filters in electrostatic devices and aircraft applications. removal; it showed about 95 % O 3.

Ozone 218
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Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

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This is especially the case for those draining nitrogen-enriched urbanized and agricultural watersheds, highlighting the importance of managing nitrogen before it reaches open water. Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. Beaulieu et al. PNAS doi: 10.1073/pnas.1011464108.

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UNEP Report Calls for More Sophisticated Approach to Developing Biofuels; Limitations of Current LCA Studies

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Here, RME show advantages for primary energy and GHG, but disadvantages in terms of acidification, eutrophication and ozone depletion. There is an obvious link between environmental impacts estimated by life-cycle impact assessments and water quality problems described at the regional scale. Source: “Assessing Biofuels”.

Ozone 186
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Study Finds Controlling Soot May Be Fastest Method to Reduce Arctic Ice Loss and Global Warming; Second-Leading Cause of Global Warming After CO2

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Soot could be further reduced by converting vehicles to run on renewable electric power. Black carbon converts sunlight to heat and radiates it back to the air around it. Warming of the air by any chemical, including soot, enhances natural surface emissions of water vapor [e.g., Dessler et al., 2008] and methane [Schutz et al.,

Global 230
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PNNL team finds correlation between reaction mechanism for zeolite SCR catalyst for NOx aftertreatment and bacterial enzyme catalysis

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Although the catalyst is in use, exactly how it converts NO x to nitrogen and water with the help of ammonia (urea) hasn’t been entirely clear. The finding provides insight into how to make better catalytic converters. Combined FTIR and NMR studies revealed the presence of a side-on nitrosyl species in the zeolite Cu-SSZ-13.

Li-ion 225
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National Research Council report finds it unlikely the US will meet cellulosic biofuel mandates absent major innovation or a change in policies

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Currently, no commercially viable biorefineries exist for converting cellulosic biomass to fuel. Furthermore, absent major increases in agricultural yields and improved efficiency in converting biomass to fuels, additional cropland will be required for growing cellulosic feedstock. Barriers and opportunities.

Renewable 252