Harbaugh, Reynolds defend Kaepernick's stance – even if they don't agree with it

Tesla Motors

EVs alone aren't the answer

EVs alone aren't the answer

It is becoming harder to ignore the growing number of studies showing that densely populated cities account for a disproportionate number of premature deaths from air pollution.

Not only is the data on ground-level emissions more troubling — a person who dies from an air pollution-related cause typically dies about a decade earlier than he or she otherwise might have — it is coming from a greater number of respected scientists.

In its annual report on the "State of the Air," which is drawn from dozens of studies by epidemiologists and other scientists,...