Many people think of science as precise, as exact. After all, those scientists are using computers and satellites and expensive laboratories to answer important questions so they must always get the correct answers, right? There’s also a lot of math in science that makes their answers even more precise, right?
Not true. There are many, many uncertainties in science. When you add in the human factor and economics, the answers become even more uncertain.

Eric Freedman
So when Knight Center director Eric Freedman was invited to talk to a journalism class at the University of Georgia in Tbilisi (Republic of Georgia) about the economic costs of pollution, especially health and social costs, he turned first to a comprehensive October 2017 report by the Lancet Commission on Pollution and Health. Investigative environmental journalist Tsira Gvasalia teaches the environmental health reporting course.
While it’s impossible to put a precise price tag on the problem, we can summarize the study by saying that outdoor and indoor air pollution, water and soil contamination, and chemical pollutants cause millions of people to die early each year at a cost of trillions of dollars. Continue reading



