The number of people killed by police officers in the U.S. has been massively underreported in official statistics over the past four decades, with an additional 17,000 deaths over that period, according to our new research.
The majority of Americans support transportation reform that would reduce our national dependence on automobiles — but better messaging may be needed to persuade the rest, a new study suggests.
Even the most realistic models of the emissions-cutting potential of electric vehicles are still underestimating how much more Americans are likely to drive and their preference for gas-powered megacars, a new study suggests.
The long-term health benefits of using bike share vastly outweigh the short-term risks, even in the most polluted and car-dominated U.S. cities, a new study finds — and cities who invest in reducing those risks by loosening car dominance can save even more lives and millions in precious public health dollars.