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Marine Scientists Issue Monaco Declaration Calling for Immediate Action to Reduce Ocean Acidification

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Recovery from the current large, rapid, human-induced perturbation, if left unchecked, will require thousands of years for the Earth system to reestablish even roughly similar ocean chemistry (Archer, 2005; Montenegro et al., 2007; Tyrrell et al., Ocean acidification can be controlled only by limiting future atmospheric CO 2 levels.

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UNECE to align heavy-duty vehicle engine emissions requirements with Euro VI

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The UNECE Working Party on Pollution and Energy has approved a proposal to align the requirements on emissions from heavy-duty vehicle engines to the Euro VI legislation (EC Regulations 595/2009 and 582/2011), which enter into force in the European Union (EU) in January 2013. Source: UNECE. Click to enlarge.

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