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New international study finds lab testing of diesel NOx emissions underestimates real-world levels by up to 50%

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A new international study has found that laboratory tests of nitrogen oxide emissions from diesel vehicles significantly underestimate the real-world emissions by as much as 50%. The research, led by the International Council on Clean Transportation and Environmental Health Analytics, LLC., million tons more than the 8.6

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New international Climate and Clean Air Coalition to focus on reduction of short-lived climate pollutants

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The founding coalition partners are Bangladesh, Canada, Ghana, Mexico, Sweden, and the United States, together with the UN Environment Programme (UNEP). Such pollutants together account for approximately one-third of current global warming, have significant impacts on public health, the environment, and world food productivity.

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Indo-US task force to study HFC phase-down

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India’s Minister of Environment, Jairam Ramesh, hosted US Deputy Assistant Secretary of State for Environment, Daniel A. HFCs are chemicals are potential substitutes for ozone-depleting and climate-warming CFCs and HCFCs currently being phased out under the Montreal Protocol treaty to protect the ozone layer.

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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. Achim Steiner, UN Under-Secretary General and Executive Director of the UN Environment Programme. Source: “Assessing Biofuels”. Click to enlarge.

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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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The SCOPE (Scientific Committee on Problems of the Environment) International Biofuels Project, has published the full proceedings of its Rapid Assessment workshop on the environmental effects of biofuel technologies, 22-25 September 2008. SCOPE is part of the International Council for Science. Menichetti and Otto.