Related topics: climate change

Beetles, wildfire: Double threat in warming world

(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.

Beetle, fungus deliver one-two punch to black walnut trees

(PhysOrg.com) -- A newly discovered disease, caused by a previously undescribed fungus hitchhiking on a tiny native bark beetle, is infecting and killing hundreds of black walnut trees in California and seven other Western ...

Drought alters familiar landscape in Yosemite National Park

Yosemite National Park is bracing for its driest year on record, with visitor bureaus downplaying the allure of the park's most famous waterfall and instead touting the park as a destination for hiking, bicycling and photography.

Climate change blamed for dead trees in Africa

Trees are dying in the Sahel, a region in Africa south of the Sahara Desert, and human-caused climate change is to blame, according to a new study led by a scientist at the University of California, Berkeley.

Scientist uses fungus to destroy bark beetles

As Arizona and other western states face ongoing drought conditions, the region's pine forests are becoming more vulnerable to bark beetles, which attack and kill stressed trees, increasing wildfire danger. NAU researcher ...

Why some beetles like alcohol

If a small beetle dives into your beer, consider giving it a break. Referred to as "ambrosia beetles," these insects just want what's best for themselves and their offspring. Drawn to the smell of alcohol, the beetles are ...

Fate of primeval forest in balance as Poland plans logging

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.

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