ThinkProgress: A new report from the International Energy Agency paints both a dreary and optimistic picture of the dangers of air pollution. On the one hand, air pollution is linked to an estimated 6.5 million deaths per year - a number that is expected to rise in coming decades. On the other hand, even small investments in technology could help curb the number of annual deaths attributed to air pollution.
The IEA report looks at two main types of pollution: outdoor pollution, which kills an estimated 3 million,...