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Mountain News: Avalanche victim widow sues Intrawest

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In Vail, the Eagle River Water and Sanitation District has not imposed any restrictions on outdoor water use, but over the weekend urged customers to adhere to regulations that allow up to three days of lawn watering per week.

It could get wild and crazy this summer. Or maybe it will start raining. Right now, people are on edge.

Struggling trees can contribute to haze

STEAMBOAT SPRINGS, Colo. — Smog and haze in the West may be exacerbated by the epidemic of bark beetles that have killed millions of lodgepole pine as well as other evergreens.

Gases called volatile organic compounds (VOCs) are released from the holes bored into trees by the beetles as a defense mechanism at rates up to 20 times that of healthy trees at ground level, according to the study.

The study was conducted in part by scientist Gannet Hallar of the Desert Research Institute, which operates the Storm Peak Laboratory atop the Steamboat ski area.

While proving that infested trees produce more VOCs and identifying the type of VOCs, the study does not allow researchers to conclude how much the chemicals contribute to haze.

The paper reporting the results was published in the Journal of Environmental Science & Technology.