Cleared habitat in Niassa Reserve, Mozambique.
Since 1992, an area of land two-thirds the size of Australia has been converted to human use.
There are fewer than a thousand Graveside gorge wattles in Kakadu National Park.
We know very little about Australia's most threatened plants.
A valuable harvest.
American ginseng, a slow-growing native plant long used in traditional medicine, was abundant in colonial times. Now illegal harvesting and other stresses are pushing it close to extinction.
Wild horses are wreaking havoc in Australia’s mountains.
Long Road Photography (formerly Aff)/Flickr
Horses need to be removed from Australia's mountains. The debate now is around ethics and their role in Australian culture.
Zebras are among the larger wildlife doing well in protected areas.
New research shows protected areas are doing well at protecting large, iconic wildlife, but less well at helping smaller species.
Human climate change has shifted vegetation and wildlife upslope in Yosemite National Park.
The National Park Service's principal climate scientist explains why the parks are important laboratories for climate change research, and how climate change is altering the parks.
The endangered Hawaiian monk seal is one of the 7,000 species that gained a measure of protection.
U.S. Fish and Wildlife Service
The Papahānaumokuākea Marine National Monument is huge win for preservation, but it also poses outsized management challenges for the National Park Service.
Camping under the Milky Way, Canyonlands National Park, Utah.
Emily Ogden, National Park Service/Flickr
As the National Park Service turns 100 years old, two conservation scholars and former park rangers respond to critics who support privatizing national parks or putting them under state control.
Cheetahs have experienced severe range contractions, their numbers declining markedly in many protected areas.
60% of the world’s largest carnivores and herbivores are classified as being threatened with extinction
Ancestral Pueblo carving at Petroglyph National Monument, New Mexico.
Steven C. Price/Wikipedia
When we think of national parks, many people picture geysers or mountain peaks. But the park system also protects historic sites and objects that show how the U.S. has evolved into a diverse society.
Viewing wildlife in Yellowstone National Park, Wyoming.
National Park Service/Flickr
A new study estimates that Americans would pay US$92 billion yearly in extra taxes to protect national parks. The finding underlines calls from experts for more money to preserve and maintain the parks.
Cliff Palace at Mesa Verde National Park, Colorado, built by Anasazi c. 1200. The Antiquities Act was passed to protect such sites from looters.
National Park Service
The 1906 Antiquities Act gives presidents unilateral power to protect land as national monuments. The law has saved important places, but has also fueled intense conflicts over land control.
Sunrise on Angel’s Window, North Rim, Grand Canyon National Park.
National Park Service/Wikimedia
Why do Americans revere the Grand Canyon? It taught us to look at nature in a new way, and to respect iconic places by leaving them alone.
The Malheur National Wildlife Refuge is part of a complicated history of land in the western US.
US Fish and Wildlife Service
Like much federal land in the US West, the Malheur National Wildlife Refuge has a long history tied to Native Americans’ plight and conflicts between settlers and the federal government.
China has experienced deforestation in some parts of the country placing valuable biodiversity at risk of extinction.
China needs to do more to manage the balance between conservation and tourism to protect its rich biodiversity.
The Nairobi-Thika highway is being built by China Wuyi, Sinohydro and Shengeli Engineering Construction, and is funded by Kenya, China and the African Development Bank.
China offers an alternative to traditional donors and investors in low- and middle-income countries. Adding to its appeal is its focus on infrastructure projects.
There’s no escape…
Texting nature via www.shutterstock.com
Should certain places, such as national parks and wilderness areas, be off-limits to cellphones and Wi-Fi?
The tallest mountain in the US is again called Denali.
For millennia, the Koyukon Athabascan have called the 20,000-foot mountain "the tall one."
The dingo fence is the world’s longest.
Australia holds many world records, including the world’s longest fence, the dingo fence. At 5,531 km, the dingo barrier fence stretches from eastern Queensland all the way to the South Australian coastline…
The potential rezoning of Tasmania’s Wilderness World Heritage Area for tourism development begs the question: just what is wilderness, and what is it good for?
The Wilderness Society/AAP
The Tasmanian government this month released a draft of the revised management plan for the Tasmanian Wilderness World Heritage Area, which proposes rezoning certain areas from “wilderness zones” to “remote…