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Concrete solutions that lower both emissions and air pollution

Sometimes, fixing one problem can create another.  Concrete production contributes 8 percent of global greenhouse gases, and demand continues to rise as populations and incomes grow. Yet some commonly discussed strategies to reduce the sector's global GHG emissions could, under some scenarios, increase local air pollution and related health damages, according to a study from the University of California, Davis. For the study, published today in the journal Nature Climate Change, scientists quantified the costs of climate change impacts and of death and illness from air pollution. They found that concrete production causes about $335 billion per year in damages, a large fraction of the industry value. The scientists also compared several GHG-reduction strategies to determine which are most likely to lower both global emissions and local air pollution related to concrete production. They found that a variety of available methods could, together, reduce climate and health damage costs by 44 percent. Read more....

 

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