The autumn equinox this Saturday will mark the beginning of fall in the Northern Hemisphere. For some, though, the real start of fall is when the leaves change color.
Bill Keeton, a professor of forest ecology at the University of Vermont, says extreme drought and rainfall is leading to less colorful foliage.
“These types of climate extremes create stresses in trees, which can interfere with the production of some of these chemicals that give us color, and can interfere with the overall productivity and health of trees,” Keeton told PBS News Weekend’s John Yang.
Watch the full interview at the link in our bio.
This post was produced and edited by Lorna Baldwin, Harry Zahn, Tim McPhillips, Matt Rasnic, Julia Griffin and Yasmeen Alamiri.
Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG
Find more from PBS NewsHour at https://www.pbs.org/newshour
Subscribe to our YouTube channel: https://bit.ly/2HfsCD6
Follow us:
TikTok: https://www.tiktok.com/@pbsnews
Twitter: http://www.twitter.com/newshour
Instagram: http://www.instagram.com/newshour
Facebook: http://www.pbs.org/newshour
Subscribe:
PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts
Newsletters: https://www.pbs.org/newshour/subscribe
