Despite a frigid winter that killed many of them off, destructive mountain pine beetles continue to thrive in Alberta and could spread farther east.
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Pine beetles continue to thrive in Alberta
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There's still time to plant hardy perennials
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Polar blast expected to linger
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Warnings extended west
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Warm weather in the mountains means sleeping bears could awake early this season
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Avalanche danger lurked later in season
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Releases of potent greenhouse gas may have helped end ice ages
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Exodus to provinces continues
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Martin hopes for wet winter
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Deer ticks on the rise
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Smoky conditions could continue through week
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Wet snow weighs down branches
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Air pollution 'can soar when temperatures drop'
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Tough winter takes a toll on mule deer
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More woods may have tree disease
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Winter gives way to spring
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Some plants don't like the cold