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western states

The battle over wolves

January 10, 2025 By EarthWise Leave a Comment

Thirty years ago, wolves were reintroduced into Yellowstone National Park.  Grey wolves had almost disappeared entirely throughout the northern Rockies.  They were listed as endangered by the federal government since 1974.  The reintroduction was hailed as a wildly successful effort yielding significant benefits to Yellowstone’s ecosystems.

Since then, wolf populations have increased greatly across the West.  There are at least 7,000 or 8,000 wolves living in Western States.  But this conservation triumph is considered a plague by some residents of those states.   Wolves kill livestock, game animals, and sometimes pets.

Because of this backlash, federal protections have been lifted in some states, leaving wolf management up to state agencies.  Montana, Idaho, Wyoming, eastern Oregon, eastern Washington, and parts of Utah have no federal protections and hunting wolves is legal.  Initial, careful hunting quotas in some states have given way to widespread killing driven by anti-wolf sentiment. 

Emotions run high with regard to wolves, and unlike that of other protected species, the fate of wolves is a matter of politics rather than science or law.  State legislatures have gotten involved, often trying to prove that they hate wolves more than the next guy. 

Wolves are resilient animals and are likely to survive unless there is an organized government strategy like what took place in the 1900s with unlimited poisoning and shooting.  But experts note that wolf populations must persist at a high enough level in order to play important ecological roles.

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As Wolf Populations Rebound, an Angry Backlash Intensifies

Photo, posted March 7, 2023, courtesy of Eric Kilby via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Solar energy on federal land

October 15, 2024 By EarthWise Leave a Comment

Officials at the federal Bureau of Land Management announced late in August that they had finalized a plan to add Oregon, Idaho, Montana, Washington, and Wyoming to the Western Solar Plan, which started during the Obama era.   The plan, created in 2012, provides permitting for solar projects on federal land.  The original plan included Arizona, California, Colorado, Nevada, New Mexico, and Utah.

The Western Solar Plan is a major expansion for clean energy production in the Bureau of Land Management’s land leasing portfolio.  For decades, the BLM has leased tens of millions of acres of federal land to fossil fuel companies for oil, coal, and natural gas exploration and production.

The new addition includes 1.1 million acres of land in Oregon, an area larger than the entire state of Rhode Island.  The land selected is deemed to be of low risk for any adverse environmental effects from solar installation, and the plots of land are all within 15 miles of existing or planned electrical transmission lines.  A little over 50% of Oregon’s land is owned by the federal government and is managed primarily by the Bureau of Land Management and the U.S. Forest Service.

The publication of the finalized plan at the end of August initiated a 30-day period for any participants in the initial planning to voice objections.  The governors of the 5 new states are reviewing the plan.  Final approval and adoption are expected later this year.

Western states need to expand solar and other clean energy production to meet their climate goals and federal lands will have to play an important role.

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Plan would make 1 million acres of federal land in Oregon available for solar energy projects

Photo, posted May 20, 2024, courtesy of the U.S. Department of Agriculture via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Protecting wine grapes from wildfire smoke

February 27, 2024 By EarthWise Leave a Comment

In recent years, wildfires have become a major threat to the wine industry because of the effects of smoke on wine grapes.  Smoke taint from the California fires of September 2020 significantly impacted the quality of wine grapes.  In total, smoke taint cost the wine industry in Western states more than $3 billion in losses from the hundreds of thousands of tons of wine grapes that could not be harvested because of the off flavors imparted by the smoke.  The California wine industry alone is a $43 billion a year business and the state’s frequent wildfires are a major threat to it.

Researchers at Oregon State University have developed techniques for eliminating the effects of three volatile chemical compounds that contribute to smoke taint in grapes.  The compounds are guaicol, syringol, and meta-cresol.

The researchers developed cellulose nanofiber-based coatings that can be applied to grapes in the vineyard.  The coatings can block guaicol and syringol and capture meta-cresol.

Blocking is ideal because the coating doesn’t absorb the wildfire smoke compounds.  Therefore, it doesn’t have to be washed off.  Capturing means the coating absorbs the compounds and would need to be washed off.  Ideally, a coating that doesn’t need to be washed off would save time, money, and water.

Two years of studies at Oregon State found that the coatings do not impact the growth and quality of wine grapes.  In an era when wildfires are increasingly common and extensive, growers need something they can spray on their vines to protect their grapes.  If the Oregon State technology can be commercialized, it would be a game-changer for the Western U.S. wine industry.

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Spray coating for grapes shows promise in battle between wildfire smoke and wine

Photo, posted October 3, 2006, courtesy of Naotake Murayama via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

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