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Environmental conditions play a role in the colors that leaves change to during autumn. Even as the leaves are dying, they are helping the trees prepare for winter. Washington Post photo by John McDonnell
Why do leaves change colors?
54 min 36 sec ago
September 14, 2017
t9.14.17  Bob King -- A water protestor is taken away in handcuffs after he was freed from being chained to his car outside the entrance of Michel's, a contractor for Enbridge, in Superior Thursday morning. Canemilk locked himself to the bumper of his car; Douglas County Sheriff's workers took about two hours to cut through his locks and free him. Bob King / rking@duluthnews.com
Enbridge pipeline protesters lock down site in Wisconsin
September 14, 2017 - 4:33pm
September 6, 2017
Tree City USA honors announced
September 6, 2017 - 10:31am
Research center holding open house
September 6, 2017 - 6:50am
August 25, 2017
Acting Director of the U.S. Geological Survey William Werkheiser, left, and Sen. John Hoeven, R-N.D., answer questions about the possibility of new assessment of the Bakken oil formation by the federal agency on Friday, Aug. 25, at the National Energy Center of Excellence on the Campus of Bismarck State College. In the background from the U.S. Geological Suvery are, from left, Walter Guidroz, Chris Schenk and Stephanie Gaswirth. (Mike McCleary / Bismarck Tribune)
Industry pushing for reassessment of potential production in the Bakken
August 25, 2017 - 7:47pm
August 24, 2017
Wikicommons photo
Narwhals helping NASA understand melting ice
August 24, 2017 - 9:47am
August 21, 2017
Jonathan Knutson
'Lip service' to soil health?
August 21, 2017 - 5:05am
August 20, 2017
Spencer Wesche (left) waits to record data as MacKenzie Mullin measures the diameter of a white cedar on the Fond du Lac Reservation on Aug. 15, 2017. The two are involved in a study to determine what food is available for elk if the species is reintroduced into Carlton and southern St. Louis counties. Steve Kuchera / Forum News Service
Researchers finding ample elk habitat in areas near Duluth
August 20, 2017 - 6:00am
August 15, 2017
James Kenneth Ward
UPDATE: Fugitive accused of illegally dumping radioactive material from oil drilling in ND added to federal wanted list
August 15, 2017 - 9:18pm
August 11, 2017
U.S. Sen. John Hoeven, R-N.D.
Hoeven: EPA administrator meetings in ND should have been open
August 11, 2017 - 9:36pm
File Photo: Flares and lights from oil wells dot the horizon on the Fort Berthold Indian Reservation, just over the Missouri River from New Town, North Dakota November 1, 2014. REUTERS/Andrew Cullen/File Photo
State officials concerned over rise in Fort Berthold flaring
August 11, 2017 - 7:54pm
August 9, 2017
According to a recent study, U.S. cats' and dogs' consumption of meat and other animal products is a big climate cost. (Kevin Tanaka/Chicago Tribune/TNS)
Scientists tally the environmental impact of feeding meat to our cats and dogs. It's huge
August 9, 2017 - 11:30am
August 3, 2017
Kevin Williams from the University of Minnesota Extension speaks at the Minnesota Bee Atlas Workshop, held Wednesday at Bemidji State University. (Joe Bowen | Bemidji Pioneer)
'Bee Atlas' aims to promote healthy bee populations
August 3, 2017 - 10:25am
A Golden-winged Warbler sits on a small perch in the early morning sun for a dramatic portrait.
U.S. bird report shows progress
August 3, 2017 - 8:24am
August 1, 2017
Appeals court backs wolves' endangered status, but it may be short-lived
August 1, 2017 - 6:10pm
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