Human activity is affecting the planet in dramatic, unsustainable ways -- including destroying the habitats of wild animals. Considering our obligation to care for the creatures we've impacted, environmental writer Emma Marris dives into the ethics of wildlife management, zoos and aquariums, offering her thoughts on how we can help Earth's wildl...

Animal behavior expert Philip Johns introduces us to the vibrant urban environments of Singapore, where city dwellers and skyscrapers coexist with a rich array of other species, including otters, hornbills and lizards — prompting the question: Can we design cities to be wildlife refuges?

Conservationist and TED Fellow Moreangels Mbizah studied the famous Cecil the lion until he was shot by a trophy hunter in 2015. She wonders how things could've gone differently, asking: "What if the community that lived next to Cecil was involved in protecting him?" In a quick talk, Mbizah shares the state of conservation in her home of Zimbabw...

Technologist and TED Fellow Gautam Shah invites us to imagine how the metaverse could redefine the relationships between humans and other species. By giving individual wild animals a personal identity (such as Fio, a young orangutan in Borneo, or Mweituria, an elephant living in Kenya) and sharing data on their migration, milestones and habitats...

The first step to saving nature is the rewilding of our own minds, says conservationist and former Patagonia CEO Kristine McDivitt Tompkins. With an unwavering commitment to protecting ecosystems, she and her late husband Douglas Tompkins created vast conservation parks across South America that allowed ancient flora and fauna to flourish once a...

Most of us get that climate change is a global problem we need to solve, fast. But that can feel incredibly overwhelming when most of us don't even know where to start. Bill McKibben is an environmentalist, author, and journalist who has written extensively about climate change and global warming with a refreshing lightheartedness and frank outl...

"I think of my paintings as alarm clocks," says artist Isabella Kirkland. "They're reminders of what's at stake; the only problem is we keep pushing the snooze button." Investigating humanity's relationship to nature, she shares work that takes a creative stand against ecological despair — and quietly urges climate action through permanent image...

As Arctic ice melts, polar bears are being forced on land -- and they're hungry. With the apex predators frequently turning to human junkyards for a snack, northern towns have had to get creative in order to keep both their people and wildlife safe. Biologist and conservationist Alysa McCall shares lessons from the field on how to safely navigat...

Many gardeners work hard to maintain clean, tidy environments ... which is the exact opposite of what wildlife wants, says ecological horticulturist Rebecca McMackin. She shows the beauty of letting your garden run wild, surveying the success she's had increasing biodiversity even in the middle of New York City — and offers tips for cultivating ...

400 years after Hudson found New York harbor, Eric Sanderson shares how he made a 3D map of Mannahatta's fascinating pre-city ecology of hills, rivers, wildlife -- accurate down to the block -- when Times Square was a wetland and you couldn't get delivery.

Ecologist Lian Pin Koh makes a persuasive case for using drones to protect the world's forests and wildlife. These lightweight autonomous flying vehicles can track animals in their natural habitat, monitor the health of rainforests, even combat crime by detecting poachers via thermal imaging. Added bonus? They're also entirely affordable.

The more we learn about elephants, the clearer it becomes that their rich emotional lives and unique approach to navigating the world sets them apart in the animal kingdom. Wildlife enthusiast Stephen Gianotti draws on his experiences with African elephants to detail three lessons about deep connection that humanity could learn from these majest...

From Shark Week and candy commercials to the iconic film Jaws, it's clear sharks are prominent in our collective imaginations. According to wildlife educator Melissa Cristina Marquez, however, something key is missing in these depictions. In this thought-provoking talk, she speaks about the similarities between female sharks and women in STEM --...

"In the cathedral of the wild, we get to see the best parts of ourselves reflected back to us." Boyd Varty, a wildlife activist, shares stories of animals, humans and their interrelatedness, or "ubuntu" -- defined as, "I am, because of you." And he dedicates the talk to South African leader Nelson Mandela, the human embodiment of that same great...

In cities, evolution occurs constantly, as countless plants, animals and insects adapt to human-made habitats in spectacular ways. Evolutionary biologist Menno Schilthuizen calls on peculiar beings such as fast food-loving mice and self-cooling snails to illustrate the ever-transforming wonders of urban wildlife -- and explains how you can obser...

TED Fellow Gautam Shah is a conservationist and technologist.

For centuries, people have viewed swamps and wetlands as obstacles to avoid. But for photographer Mac Stone, who documents the stories of wildlife in Florida's Everglades, the swamp isn't a hindrance — it's a national treasure. Through his stunning photographs, Stone shines a new light on a neglected, ancient and important wilderness. His messag...

Moreangels Mbizah is the founder of Wildlife Conservation Action, an organization dedicated to conserving biodiversity, promoting human-wildlife coexistence and empowering local communities.

Molly Wright, a student from Queensland, Australia, is a passionate advocate for early childhood development. At just seven years old, she's one of the youngest people ever to give a TED Talk.

Let's admit it: aerial photo drones and UAVs are a little creepy, and they come with big regulatory and safety problems. But aerial photos can be a powerful way of telling the truth about the world: the size of a protest, the spread of an oil spill, the wildlife hidden in a delta. Sergei Lupashin demos Fotokite, a nifty new way to see the world ...

Conservation efforts in Africa have typically been led by "parachute conservationists" -- outsiders who drop in thinking they have all the answers, hire locals to implement them and then disappear. But conservationist Resson Kantai Duff has a better way to save wildlife in Africa: let locals lead these efforts themselves. She calls for a major s...

We're losing animal and plant species at such a swift, unprecedented rate that it's nearly impossible to keep up. Computational biologist Tanya Berger-Wolf demonstrates how harnessing the power of artificial intelligence and one of the internet's biggest resources -- public images and video -- supports the crucial collection of data to save thre...

When monarch butterflies migrate, they produce one of the most iconic wildlife spectacles in the world — and provide us with an important indicator of ecological health, says photographer Jaime Rojo. Telling a story about our relationship to the natural world, he shares his experience photographing these mesmerizing insects deep in their remote ...

There are more than 2,000 firefly species, found on every continent except for Antarctica — an astonishing diversity of movement and light. Firefly scientist Wan Faridah Akmal Jusoh explores the mysteries of these little beetles that light up the night and details her quest to discover and protect new species as their habitats are at risk of dis...

Kartick Satyanarayan works tirelessly to save India’s wild animals from illegal captivity and poaching -- most notably rescuing hundreds of “dancing” bears.

Munir Virani is a raptor biologist and wildlife photographer, and Director of the Peregrine Fund Africa Program, devoted to conserving birds of prey.

Protecting the natural environment for future generations is one of Prince William's key priorities.

Brazilian-born biologist Juliana Machado Ferreira wants, simply, to save the world one bird at a time. She is a TED Senior Fellow.

Alysa McCall offers solutions for protecting polar bears (and their human neighbors) as Arctic sea ice melts.