TagContrails(4)

By SARA CLINE and MELISSA GOLDIN BATON ROUGE, La. (AP) — As Louisiana Rep. Kimberly Landry Coates stood before her colleagues in the state’s Legislature she warned that the bill she was presenting might “seem strange” or even crazy. Some lawmakers laughed with disbelief and others listened intently, as Coates described situations that are often noted in

By  Dominic Gates  Seattle Times aerospace reporter Scientific debate is getting heated over what to do about airplane contrails — the wispy lines of water vapor you often see trailing behind a jet. Those harmless-looking vapor trails sometimes spread out to form thin cirrus clouds. Environmental activists and nonprofits focused on climate change routinely assert