Efforts to cut car, plane and ship emissions get small boost

Several countries and companies announced plans Wednesday to stop selling cars that run on gasoline or diesel over the next two decades, as part of efforts to clamp down on a significant source of planet-warming emissions.

New study shows dominance of local air pollution sources in Delhi

The University of Surrey has revealed results from a new, comprehensive study that suggests that activities such as construction and vehicle traffic contribute significantly to the Delhi National Capital Region's high concentrations ...

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