Latest
U.S.
MH370 Search
Minnesota Fraud
World
Politics
Entertainment
HealthWatch
MoneyWatch
Crime
Space
Sports
Brand Studio
The Free Press
Local News
Atlanta
Baltimore
Bay Area
Boston
Chicago
Colorado
Detroit
Los Angeles
Miami
Minnesota
New York
Philadelphia
Pittsburgh
Sacramento
Texas
Live
CBS News 24/7
Baltimore
Bay Area
Boston
Chicago
Colorado
Detroit
Los Angeles
Miami
Minnesota
New York
Philadelphia
Pittsburgh
Sacramento
Texas
48 Hours
60 Minutes
Shows
48 Hours
60 Minutes
CBS Evening News
CBS Mornings
CBS Morning News
CBS Reports
CBS Saturday Morning
The Daily Report
The Dish
Face the Nation
Sunday Morning
The Takeout
The Uplift
CBS News Investigates
CBS News Confirmed
Podcasts
Newsletters
Download Our App
CBS News Team
Executive Team
Brand Studio
Paramount+
Join Our Talent Community
RSS Feeds
Minnesota
|
News
Weather
Sports
Video
WCCO Shows & Specials
All News
Twin Cities News
Greater Minnesota News
Wisconsin News
WCCO Investigates
Community Journalism
Politics
Immigration
Crime
Health
Your Money
Good Question
Finding Minnesota
NEXT Weather
Live Radar
Closings & Delays
Weather Watcher Network
Latest Sports
CBS Sports HQ
Vikings
Twins
Timberwolves
Lynx
Wild
United FC
Aurora FC
Gophers
High School Sports Rally
State Fair
Good Question
Finding Minnesota
WCCO Investigates
Mental Health Matters
Talking Points
On the Edge
Vietnam 50 Years Later
Footprint to Murder
Home for the Holidays
Savor Asia
Station Info
WCCO-TV News Team
Links & Numbers
Contests & Promotions
Galleries
WCCO-TV Jobs
Download WCCO's App
Advertise
Memorials
Watch CBS News
Contrails look harmless, but are warming the planet
Contrails are the wispy condensation lines from airplanes.
View CBS News In
CBS News App
Open
Chrome
Safari
Continue