Jet fuel from Sea-Tac Airport was responsible for up to 25% of all climate-harming emissions from King County in 2019.
Flying economy on Alaska Air would produce 557 pounds of carbon dioxide, while a similarly priced seat on American would release 1,803 pounds.
When air is cool and humid, water from jet exhaust can condense to form heat-trapping clouds.
A customized collection of grant news from foundations and the federal government from around the Web.
For 2014, the Schwab Foundation for Social Entrepreneurship has recognized 37 individuals for their outstanding work in the field of social enterprise.