wilderness
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Jumbo Valley Wilderness Protected as Land Management Case Comes to a Close
A land management dispute in Canada that has played out over 30 years has ended in major victory for the Ktunaxa Nation.
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When People Must Make Way for Nature
It is the black before dawn at the gate to the Kanha Tiger Reserve, in the highlands of central India. The still air carries a dank, penetrating chill. But it is hardly quiet. A buzzing line of tourists is forming at the ticket booth, peddlers are pouring steaming cups of tea. Groups of green-uniformed rangers chat…
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Photo Essay: When People Must Make Way for Nature
The forested Kanha Tiger Reserve, in the highlands of central India, is home to an abundance of rare wildlife. It also used to be home to thousands of people—that is, until they were moved out by the government to make way for endangered creatures.
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Aldo Leopold and a Land Ethic for Our Time
Considered to be the father of wildlife management and conservation and a pioneer of the wilderness system, Aldo Leopold radically influenced the development of environmental ethics and sustainability.

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
