DENVER -- Some experts suggest Colorado may be more vulnerable to global warming than other states

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According to a new study by the Environment Colorado Research and Policy Center, the average temperature in Denver was 3.8 degrees higher than normal in 2006.

Because Colorado is landlocked in the interior West, the report indicated that temperature variations are higher in this state than in coastal areas.

Some experts say heat waves, like the one we're experiencing now, will only become more commonplace unless bold measures are taken to cut back on greenhouse gas emissions.

"In Colorado we have as much to lose as anyone because we are so dependant on the snowpack for our No. 1 tourism industry -- skiing -- and our water supply," said Environment Colorado director Matt Baker. "Water planners are very concerned."

According to the report, in 2006, Grand Junction experienced 75 days where the temperature hit at least 90 degrees -- 11 days more than the historical average.

The report also said the average temperature in Pueblo and Alamosa was 2.6 degrees above normal in 2006.

The Colorado Department of Health said Environment Colorado is a reputable and long-standing advocacy group and a frequent participant in conversations and meetings with the Colorado Air Quality Commission.

Environment Colorado is calling on state officials to adopt tougher vehicle emission standards and invest more in renewable energy among other things.