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Diesels Worse Overall Than Thought 
Compounding the software cheating scandals plaguing automotive diesel manufacturers, field tests have found that the engines emit far more pollutants on the road than projected from lab tests. The disconnect means actual emissions and the magnitude of their health effects has been significantly underestimated. The Verge provides the coverage: https://www.theverge.com/2017/5/15/15642456/diesel-vehicles-nitrogen-oxide-pollution-premature-deaths

Neonic Found to Impair Bumblebee Reproduction 
Research in Britain has found the neonicotinoid, thiamethoxam, reduces bumblebee queen feeding and egg production. The BBC has the story: http://www.bbc.com/news/science-environment-39783990