July 7. 2011-by the Union of Concerned Scientists Unchecked global warming could threaten public health and increase health costs by exacerbating ground-level ozone, according to a peer-reviewed report released today by the Union of Concerned Scientists (UCS). The report, “Climate … Continue reading Report Projects Health Impacts and Costs from Worsening Ozone. Ozone Pollution Could Cost Americans More Than $5 Billion in 2020