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.
The endangered Brush-tailed Rock-wallaby is one of Victoria’s threatened species.
Victoria's environment is taking a pounding, but an ambitious report offers a way forward – not just for that state, but for the whole of Australia.
The Southern Ocean Lodge on Kangaroo Island. Each new luxury ecotourism development becomes a precedent to allow future incursions.
Southern Ocean Lodge/AAP
Around Australia, and the world, national parks are under threat from the curious paradox of luxury ecotourism.
Hadrian’s Wall in Northumberland National Park, UK.
Approximately 50% of the UK's poorest people live over 15 miles from a national park and most people require transport to get to them.
Dawn on the south rim of the Grand Canyon.
The Grand Canyon, which marks 100 years as a national park on Feb. 26, 2019, is known today as an iconic natural wonder. But early European visitors weren't impressed.
The world’s remaining wilderness. Dark blue = terrestrial. Light blue = marine.
Modified with permission from Protect the last of the wild, Watson et al, Nature (2018)
Zooming in on deforestation and other wild habitat loss can help us work out how best to protect wilderness.
Elk on the move in Yellowstone National Park.
What is the best way to conserve US national parks in a climate-altered future? One answer is connecting parks and other public lands, so plants and animals can shift their ranges.
Heading off on a bushwalk in a national park over the summer break? Don't be tempted to bushwhack it. Research shows many walkers don't realise the danger of straying off the beaten track.
Imagine this with a sound track – sunset near Turtle Rock, Joshua Tree National Park.
NPS / Hannah Schwalbe
From bird songs to wind patterns, sound is a key but often underappreciated element of natural places. Learning how to listen to nature can alert us to changes in the environment before we see them.
Edéhzhíe is located in the Dehcho region of the Northwest Territories. It is the first Indigenous protected area designated in Canada.
Government of Northwest Territories
Indigenous conservation practices are more holistic and inclusive of humans and their knowledge.
Mountain biking seems harmless but can damage soil and scare wildlife.
National parks and nature reserves are vital for conservation, but are also great places for recreation. Balancing the two is tricky, but it can be done if we realise parks are not just playgrounds.
Releasing a female wolf on Isle Royale, Oct. 2, 2018.
The National Park Service is moving wolves to Isle Royale in Lake Superior to replenish a small pack on the island. Wolves prey on moose, which are overgrazing the island. It doesn't hurt that they are charismatic.
Trees have died in Rocky Mountain National Park, Colo., as climate change has intensified bark beetle infestations and drought.
As climate change alters temperature and precipitation patterns across the US, it is having especially severe impacts on national parks. These changes could happen faster than many plants and animals can adapt.
The 2016 Maple fire (photographed in July 2017) reburned young forests that had regenerated after the 1988 Yellowstone fires. More frequent high-severity fires are expected in the future as climate warms, which may change patterns of forest recovery.
Huge fires roared through Yellowstone National Park in the summer of 1988, scorching one-third of the park. Since then the park has been a valuable lab for studying how forests recover from fires.
Conservation groups are organizing soccer games to help bridge the gaps between park rangers and communities.
Environmental organizations are using games to engage communities on conservation matters.