Recent statistics reflect air pollution's impact on people across the globe. According to Time Magazine, a December 2012 analysis published in Lancet showed that more than 3.2 million people suffered premature deaths due to air pollution in 2010.
U.S. officials have instituted new policies and technologies to help reduce air pollution. The news source notes that urban air is cleaner in the United States and other developed nations than it was 30 to 40 years ago, thanks in part to an increased focus on air quality.
Additionally, computer scientists at the University of California, San Diego, recently introduced a new smartphone app that could help safeguard Americans against air pollution. Gizmag reports that these researchers created a portable sensor that measures local concentrations of several harmful pollutants, including carbon monoxide and nitrogen dioxide. The device wirelessly transmits data to users' smartphones, which enables them to evaluate the air quality in numerous locations.
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