Aspen's 'dandelion' habits challenge mountain evergreens

(PhysOrg.com) -- The face of high-elevation evergreen forests in Western Canada could be drastically altered as a combination of climate change, human and natural disturbances is making spruce and pine forests in the Rocky ...

'Cooling' forests can heat too

The simple formula we've learned in recent years - forests remove the greenhouse gas CO2 from the atmosphere; therefore forests prevent global warming - may not be quite as simple as we thought. Forests can directly absorb ...

HOT ISSUE: Should we deliberately move species?

(AP) -- On naked patches of land in western Canada and United States, scientists are planting trees that don't belong there. It's a bold experiment to move trees threatened by global warming into places where they may thrive ...

Landscape-scale treatment promising for slowing beetle spread

Mountain pine beetles devastating lodgepole pine stands across the West might best be kept in check with aerial application of flakes containing a natural substance used in herbal teas that the insects release to avoid overcrowding ...

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