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Greg Shine, BLM/Flickr
Outdoor recreation is booming across the US, but research shows that the presence of humans – or the trails they hike and ski on – can have harmful effects on wildlife at less-than-close range.
Traffic at the south entrance to Yellowstone National Park on Aug. 20, 2015.
Neal Herbert, NPS/Flickr
It’s hard to preserve national parks “unimpaired,” as US law directs, when they’re overrun with tourists who stray off paths, strew trash and harass wildlife. A parks scholar calls for crowd control.
A flock of birds flies near Lake Manyara, Tanzania.
Luc Janssens de Bisthoven
Biosphere reserves are the living labs in which people and nature learn how to live and thrive together. Four pilot sites in Africa show the programme’s promise.
The ultra-trail Transvulcania 2017, on the island of La Palma, May 13, 2017.
The sport of trail running is one of the fastest growing in the world, but now is facing two major challenges at the same time, the Covid-19 pandemic and ecological crisis.
U.S. Rep. Deb Haaland speaks in Albuquerque, New Mexico, on Oct. 1, 2018.
Mark Ralston/AFP via Getty Images
If confirmed, US Rep. Deb Haaland of New Mexico would be the first Native American to run the agency that interacts with tribal nations. But her agenda extends far beyond Indian Country.
The sequoias that live on the western slopes of the Sierra Nevada in California are the largest trees in the world by volume.
Erin Donalson/EyeEm via Getty Images
The curator at UC Merced describes the evacuation and shows a selection of photographs from the 110-year history of the park.
Utah’s Cottonwood Canyon is a popular hiking destination on federal land.
Republicans and Democrats take sharply different positions on managing US public lands, but there’s solid consensus on some issues.
John James Audubon relied on African Americans and Native Americans to collect some specimens for his ‘Birds of America’ prints (shown: Florida cormorant), but never credited them.
National Audubon Society
US ideas about conservation center on walling off land from use. That approach often means expelling Indigenous and other poor people who may be its most effective caretakers.
To some Americans, the figures on Mount Rushmore are patriotic leaders; to others, they’re colonizers.
AP Photo/Stephen Groves
For some viewers, President Trump’s July 3 speech at Mount Rushmore represented love of country. Others saw it very differently.
The American mink has invaded much of Europe and South America. This one was pictured in Cairngorms National Park, Scotland.
Tim Blackburn, UCL
Our research investigated 900 ‘alien’ species across almost 200,000 protected areas worldwide.
Animals in national parks are sometimes harassed by tourists.
(AP Photo/Matthew Brown)
With national parks closed in many parts of North America, now is the time to rethink how we protect natural areas.
Seismic exploration lines cut through boreal forest near Fort McMurray, Alta.
(Scott E. Nielsen)
New research identifies areas where species may take refuge as the climate changes and finds they’re largely unprotected.
Photographer Ansel Adams poses on a bluff with his camera.
Roger Ressmeyer/CORBIS/VCG via Getty Images
Largely self-taught, Adams learned to harness the communicative power of photography during his years as a marketing photographer.
The teddybear bee is a native Australian species.
In NSW, honeybees are listed as a key threatening process to biodiversity.
The waters of Quitobaquito in southern Arizona have attracted diverse visitors for thousands of years.
Border wall construction through Organ Pipe Cactus National Monument in Arizona is encroaching on a site where people from many cultures have interacted for thousands of years.
A cyclist in San Bernadino National Forest, where e-bikes were previously banned.
The Trump administration has moved to allow electric bikes on all federally owned trails where normal bikes are allowed. A public lands scholar weighs in on the issues this could cause.
What can your vacation pix tell scientists?
To untangle the relationship between climate change, fall foliage and national park visitors, researchers are asking tourists to check their old photo albums for snapshots that could hold valuable data.
Grazing from kangaroos affects vulnerable native species.
Public opposition to kangaroo culls shouldn’t overrule the needs of thousands of other native species in national parks.
The values of a national park, translated to an urban context, to make life better for local people.
Entry to Mount Rushmore along the Avenue of Flags.
Patriotism means pride in country, but what are we proud of? A former national park ranger suggests that visiting historic sites can remind Americans of the heritage, good and bad, that they share.