Preamble: Opening doors and expanding horizons
- 1. U.S. DOT, Bureau of Transportation Statistics, Table 2-9: U.S. Air Carrier (a) Safety Data (www.bts.gov/sites/bts.dot.gov/files/docs/browse-statistical-products-and-data/national-transportation-statistics/220806/ntsentire2018q1.pdf).
- 2. See for example, “Flint Water Crisis,” The New York Times, October 8, 2016 (www.nytimes.com/news-event/flint-water-crisis).
- 3. “How Your Refrigerator Has Kept Its Cool Over 40 Years of Efficiency Improvements,” Marianne DiMascio, American Council for an Energy Efficiency Economy Blog, September 11, 2014 (http://aceee.org/blog/2014/09/how-your-refrigerator-has-kept-its-co).
- 4. “LED Basics,” Office of Energy Efficiency and Renewable Energy, U.S. Department ...