Colorado's beetle-infested forests are peppered with an estimated 834 million standing dead trees that threaten to worsen wildfires and degrade vital water supplies that flow from mountains, officials said Wednesday.
Environment
Feb 15, 2017
0
25
The peat bogs of the world, once waterlogged repositories of dead moss, are being converted into fuel-packed fire hazards that can burn for months and generate deadly smoke, warns a McMaster researcher who documents the threat—and ...
Environment
Jun 27, 2016
0
193
It is the last remaining relic of an ancient forest that stretched for millennia across the lowlands of Europe and Russia, a shadowy, mossy woodland where bison and lynx roam beneath towering oak trees up to 600 years old.
Environment
May 21, 2016
2
77
Examining a long-lived forest, researchers have found that Black Spruce trees, which dominate the northern forests of North America, succumb about five years after being weakened by environmental stresses. Without rejuvenating ...
Environment
Oct 2, 2013
0
1
In the 1970s, red spruce was the forest equivalent of a canary in the coal mine, signaling that acid rain was damaging forests and that some species, especially red spruce, were particularly sensitive to this human induced ...
Environment
Aug 30, 2013
4
0
Forestry and nature conservation can benefit from promoting more different varieties of trees, according to a new study in which researchers from the University of Gothenburg, Sweden, were involved.
Environment
Jan 30, 2013
0
0
Surfaces with photo-catalytic characteristics clean the air off nitrogen oxides and other health-endangering substances. Using a new test procedure, Fraunhofer researchers can find out how the coatings behave during a long-term ...
Engineering
Dec 20, 2012
0
0
Evergreen trees at the edge of Alaska's tundra are growing faster, suggesting that at least some forests may be adapting to a rapidly warming climate, says a new study.
Environment
Nov 10, 2011
1
0
The analysis of carbon and oxygen isotopes embedded in tree rings may shed new light on past climate events in the Mackenzie Delta region of northern Canada.
Earth Sciences
Dec 3, 2009
1
0
(AP) -- A veil of smoke settled over the forest in the shadow of the St. Elias Mountains, in a wilderness whose spruce trees stood tall and gray, a deathly gray even in the greenest heart of a Yukon summer.
Environment
Aug 23, 2009
9
0
