Katherine Kornei Katherine Kornei is a science journalist in Portland, Oregon. See more at katherinekornei.com Stories from Katherine Kornei Good News, Pilots—The Weather’s Getting Better And cleaner urban air may be the reason. January 24, 2019
/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/c5/45/c54525fc-13e0-4bff-afdc-2008c2c81d28/landing_airliner_pixabay.jpg)
