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Home » Articles »   By Bob Berwyn
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Thursday, July 3,2014

Global warming meltdown in the Rockies?

Mountain ecosystems take early hit

By Bob Berwyn
Anyone who tackles a tough summit like Tenmile Peak, above Frisco, probably is already tuned in to the risks of the high alpine zone — rockfall, changeable weather, equipment failure. But a snowboarder who was injured in a May 2010 avalanche on the peak may add a new item to the list of dangers — climate change.
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Monday, June 23,2014

New hydropower could ease transition from fossil fuels

New study suggests the U.S. could add enough hydropower to provide electricity for up to 65 million homes

By Bob Berwyn
If you’ve ever spent time around one of Colorado’s rivers or streams during spring and summer runoff, you’ve had a taste of nature at its best. Supercharged, ionized air, forest and wildflowers, and, above all, massive torrents of water sweeping from the high Rockies out into the plains, or through sandstone canyons toward the distant Pacific.
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Monday, June 23,2014

Ash borers? You can blame Marco Polo’s camels

With limited treatment options, arborists emphasize replanting with different species

By Bob Berwyn
The story of invasive species goes all the way back to the earliest stages of human development, when bands of hominids dispersing from Africa carried with them the crumbs, seeds and eggs of whatever ecosystems they happened to be passing through. And you can be sure that, along with silk and spices, Marco Polo’s camels transported disease-ridden fleas between Europe and Asia.
Thursday, June 19,2014

Drive-thru

Where to eat your way across Colorado this summer

By Bob Berwyn
June 21 marks the official first day of summer, and that means the season of road trips is officially here. It’s time for fresh vistas, new trails and trying some new eateries along the way, because food, like adventure, nourishes not only the body, but the soul.
Thursday, June 5,2014

Will El Nino bring more flooding misery?

Historic climate records suggest a wet summer for Boulder

By Bob Berwyn
Meeting with colder air, the entire mass is nudged into a counter-clockwise swirl, recognizable as a near-spiral cloud band, or a comma-shaped plug, moving toward the west coast of North America in cyclical undulations.
Thursday, May 29,2014

Can the state water plan bridge the gap?

Front Range, West Slope still miles apart on vision for Colorado’s water future

By Bob Berwyn
When Colorado’s earth cracked open in the great drought of 2002, it may have also cracked open a new corner of consciousness about the finite nature of the state’s water supplies.
Thursday, May 15,2014

Rising CO2 levels to cut key nutrients in global crops

Study pinpoints impacts of greenhouse gases to key food crops

By Bob Berwyn
“Humanity is conducting a global experiment by rapidly altering the environmental conditions on the only habitable planet we know. As this experiment unfolds, there will undoubtedly be many surprises. Finding out that rising CO2 threatens human nutrition is one such surprise,” he says.
Thursday, May 15,2014

Lynx are back in Colorado, but still facing threats

Critical habitat designation still pending as conservation advocates push for more protection

By Bob Berwyn
Like many Colorado skiers, the state’s native lynx must also have enjoyed this past winter. Cruising along on their huge, tufted paws, the wild cats come into their own when the snow piles up soft and deep in high country spruce and fir forests.
Thursday, May 8,2014

Toxic trout for dinner?

Study finds widespread mercury contamination in national parks around the West

By Bob Berwyn
Mercury levels in some fish exceeded U.S. Environmental Protection Agency (EPA) health thresholds for potential impacts to fish, birds and humans, according to National Park Service and U.S. Geological Survey scientists. The study sites spanned 21 national parks in 10 western states, including Alaska, including samples from 1,400 fish.
Thursday, May 1,2014

Morel madness in Colorado

Wild mushroom foraging season begins in the grassy cottonwood bosques

By Bob Berwyn
Mushroom hunters are a strange bunch to begin with, scurrying through the forest with their eyes glued to all the damp and shady spots on the ground, hoping to find that treasure trove of delectable fungi. The morel-seeking clan is especially zealous for a particularly delicious variety starting to sprout along some Boulder-area streambanks right now.
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