California faces a severe homelessness crisis, with a quarter-million residents seeking help in 2020, driven by high housing costs. In response, a coalition of advocates, including Housing

California faces a severe homelessness crisis, with a quarter-million residents seeking help in 2020, driven by high housing costs. In response, a coalition of advocates, including Housing California and the California Housing Partnership, launched Roadmap Home 2030. This plan offers 57 policy solutions to end homelessness, create affordable homes, protect low-income renters, and ensure racial equity over the next decade, aiming for an equitable future where everyone has a safe place to live.

Join an expert panel on Tuesday, April 27, at 3:00 PM PDT, for a vital conversation on shifting California's housing landscape. Speakers include Ruby Bolaria-Shifrin (CZI), Assemblymember David Chiu, and Tomiquia Moss (All Home). For more information, visit commonwealthclub.org/covid19support. Explore upcoming events, donate, or subscribe for videos.

Join the Center and the Thoreau Society for a special Earth Day event exploring resistance and extinction. We'll discuss how 19th-century naturalist Henry David Thoreau's works relate to today's

Join the Center and the Thoreau Society for a special Earth Day event exploring resistance and extinction. We'll discuss how 19th-century naturalist Henry David Thoreau's works relate to today's fight against the extinction crisis.

Speakers include Thoreau Society President Rochelle Johnson and Executive Director Michael Frederick; Laura Walls, author of *Henry David Thoreau: A Life*; and Center for Biological Diversity Founder Peter Galvin and Senior Scientist Tierra Curry.

The Thoreau Society preserves Thoreau's legacy, advocates for natural world preservation, and inspires a deliberate life.

For millennia, human activity in Southern China, from rice cultivation to industrial development, has dramatically transformed the landscape and decimated marine life. Today, the bustling Greater

For millennia, human activity in Southern China, from rice cultivation to industrial development, has dramatically transformed the landscape and decimated marine life. Today, the bustling Greater Bay Area, home to over 100 million people, faces unprecedented environmental impact. Beneath the waves, the ocean is eerily quiet; fisheries are gone, and vital ecosystems like mangrove forests, seagrasses, oyster, and coral reefs have been destroyed.

Climate change, pandemics, and dwindling resources pose constant threats, with predictions that these global ecosystems may be lost by 2050. This talk explores how we can restore our oceans, regain ecological benefits, and reinvest in our future. It questions whether technology and entrepreneurship can reverse our path towards catastrophe. Learn more at https://www.ted.com/tedx.

An optimistic message suggests human-caused climate change will be largely solved within 10-15 years, driven by exponential changes we often underestimate. History shows we consistently misjudge

An optimistic message suggests human-caused climate change will be largely solved within 10-15 years, driven by exponential changes we often underestimate. History shows we consistently misjudge the speed of transformational shifts, like the move from horses to automobiles or America's journey to oil independence.

We are seeing this underestimation again in the transition from a fossil fuel to a low-carbon economy. This perspective comes from David Leuschen, Co-Founder of Riverstone Holdings, a private equity firm focused on energy, and former Goldman Sachs executive.

This talk was delivered at a TEDx event. Learn more at TEDx.

David R. Boyd, UN Special Rapporteur on human rights and the environment and author of "The Rights of Nature," discusses how human rights—including the right to a healthy environment—have

David R. Boyd, UN Special Rapporteur on human rights and the environment and author of "The Rights of Nature," discusses how human rights—including the right to a healthy environment—have catalyzed more ambitious climate action globally, from the Netherlands to Colombia.

This talk was delivered at an independently organized TEDx event. Learn more about TEDx at https://www.ted.com/tedx.

Solutions to plastic pollution are within reach, preventing a future where oceans contain more plastic than fish. Sir David Attenborough advocates for a circular economy for plastic: eliminating

Solutions to plastic pollution are within reach, preventing a future where oceans contain more plastic than fish. Sir David Attenborough advocates for a circular economy for plastic: eliminating unnecessary items, innovating for safe reuse, recycling, or composting of essential plastics, and circulating materials to prevent waste.

Discover the Ellen MacArthur Foundation's work on this transition at emf.org/plastics. Learn more about the circular economy for plastic here.

Visit TED.com for a vast library of TED Talks, transcripts, and personalized recommendations covering technology, science, global issues, and more. These talks feature

Visit TED.com for a vast library of TED Talks, transcripts, and personalized recommendations covering technology, science, global issues, and more. These talks feature leading thinkers sharing ideas in 18 minutes or less.

For example, author David Wallace-Wells discusses the climate crisis, emphasizing the need for dramatic actions to build a livable, prosperous world. You can freely link to, embed, and share these impactful videos.

For commercial use, submit a Media Request via media-requests.TED.com. Follow TED on Twitter, Facebook, and subscribe to our channel.

A 2019 video revealed a frightening climate truth: a 2°C global temperature increase, labeled the "threshold of catastrophe," represents the best-case scenario. Without immediate action, the

A 2019 video revealed a frightening climate truth: a 2°C global temperature increase, labeled the "threshold of catastrophe," represents the best-case scenario. Without immediate action, the planet is on track for a 4°C rise this century, risking $600 trillion in damages, doubled warfare, and a refugee crisis 100 times worse than the Syrian exodus.

David Wallace-Wells, who explores even higher increases like 8°C and 13°C, stresses that these horrifying predictions should not induce complacency. Instead, he urges a more intense focus on the issue.

Trump's border wall construction is desecrating indigenous lands. To expedite building, federal authorities have waived numerous laws, including the American Indian Religious Freedom Act, the

Trump's border wall construction is desecrating indigenous lands. To expedite building, federal authorities have waived numerous laws, including the American Indian Religious Freedom Act, the Native American Graves Protection and Repatriation Act, and the Endangered Species Act.

Hia-Ced O’odham activist Nellie Jo David highlights the profound impact on the O’odham people. The new wall in southern Arizona affects communities on both sides of the U.S.-Mexico border, threatening their cultural heritage and sacred sites.

New York Magazine deputy editor David Wallace-Wells advocates for "radical empathy" as a global solution to climate change.

He asserts that global stories are vital to cultivate equal

New York Magazine deputy editor David Wallace-Wells advocates for "radical empathy" as a global solution to climate change.

He asserts that global stories are vital to cultivate equal empathy for individuals worldwide, from Bangladesh to Paradise, California.