David Keith reviews the science and technology of solar geoengineering, examining its potential to reduce climate risks, associated new risks, and current uncertainties. He proposes integrating

David Keith reviews the science and technology of solar geoengineering, examining its potential to reduce climate risks, associated new risks, and current uncertainties. He proposes integrating solar geoengineering into a comprehensive 4D climate policy, which includes emissions cuts, carbon removal, and adaptation.

A distinguished expert, David Keith is a Harvard Professor of Applied Physics and Public Policy. He founded Carbon Engineering, a company developing technology to capture CO2 for carbon-neutral fuels. Best known for his work on solar geoengineering, he led Harvard's Solar Geoengineering Research Program. He has authored over 200 academic publications and "A Case for Climate Engineering."

The session was moderated by Greg Bronevetsky.

David Korten, author of "Agenda for a New Economy," presented at the 39th Trinity Institute National Theological Conference. His address explored "Radical Abundance: A Theology of

David Korten, author of "Agenda for a New Economy," presented at the 39th Trinity Institute National Theological Conference. His address explored "Radical Abundance: A Theology of Sustainability."

Learn more about David Korten at davidkorten.org. His book, "Agenda for a New Economy," can be ordered from Amazon.com.

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.

While rights are widely understood, the corresponding responsibilities are often overlooked. David Arnot champions a "responsibility revolution" to sustain human rights and democratic ideals,

While rights are widely understood, the corresponding responsibilities are often overlooked. David Arnot champions a "responsibility revolution" to sustain human rights and democratic ideals, urging everyone to participate.

A lifelong advocate for human rights and reconciliation, Arnot has a distinguished career. As a Provincial Court Judge, he pioneered sentencing circles for restorative justice. As Treaty Commissioner, his "Teaching Treaties in the Classroom" project was cited by the UN, and he coined the phrase "we are all treaty people." Currently, as Chief Commissioner of the Saskatchewan Human Rights Commission, he prioritizes mediation, education, and systemic advocacy over litigation.

This talk was delivered at a TEDx event. Learn more at https://www.ted.com/tedx.

"The 8th Fire," directed by Pickard & Pickard (2007), is a 60-minute film exploring an Anishnabe prophecy. It presents humanity with two paths: materialism and destruction, or a spiritual path

"The 8th Fire," directed by Pickard & Pickard (2007), is a 60-minute film exploring an Anishnabe prophecy. It presents humanity with two paths: materialism and destruction, or a spiritual path emphasizing care for the earth and each other.

Through interviews with Anishnabe Elder Dave Courchene and others, the film combines striking visuals, powerful music, and discussions on nature and the urgent need for global unity.

For more information, visit The8thFire.org and TurtleLodge.org. Order the DVD at the8thfire.org/store/dvd.htm.

This excerpt features an interview with Aleut elder Larry Merculieff from the Native

This excerpt features an interview with Aleut elder Larry Merculieff from the Native Perspectives on Sustainability project. Merculieff critiques the term "sustainability," advocating for humanity's inherent intelligence to live in alignment with all creation.

This series, "Native Perspectives on Sustainability," is produced by David Hall of Portland State University.

David W. Orr is the Paul Sears Distinguished Professor of Environmental Studies and Politics and Special Assistant to the President at Oberlin College. He also holds a James Marsh Professorship at

David W. Orr is the Paul Sears Distinguished Professor of Environmental Studies and Politics and Special Assistant to the President at Oberlin College. He also holds a James Marsh Professorship at the University of Vermont.

Orr is the author of *The Nature of Design* (Oxford, 2002) and *Design on the Edge* (MIT, 2006).

His recent work includes a two-year, $2 million project to define a 100-day climate action plan for the Obama administration. Learn more at www.climateactionproject.com.

Underwater drone expert and TED Fellow David Lang asserts that ocean protection isn't solely for scientists; ordinary citizens have a proven history of safeguarding natural treasures. Lang

Underwater drone expert and TED Fellow David Lang asserts that ocean protection isn't solely for scientists; ordinary citizens have a proven history of safeguarding natural treasures. Lang advocates for a three-point plan to conserve underwater wonders, drawing lessons from the US National Parks Service.

Discover more TED Talks for further insights.

Founder David Katz, Co-Founder Shaun Frankson, and plastics expert Mike Biddle were interviewed in Victoria, BC. They discussed The Plastic

Founder David Katz, Co-Founder Shaun Frankson, and plastics expert Mike Biddle were interviewed in Victoria, BC. They discussed The Plastic Bank's mission to reduce global poverty and plastic waste.

This interview was published on August 20, 2013.

"Seven Sacred Laws" is an inspiring documentary that explores the ancient universal values of the Anishinaabe People of Turtle Island (North America). Director Nihad Ademi, in this follow-up to

"Seven Sacred Laws" is an inspiring documentary that explores the ancient universal values of the Anishinaabe People of Turtle Island (North America). Director Nihad Ademi, in this follow-up to his award-winning bio-doc "White Balloon," presents these laws as essential guideposts for human conduct and fostering a deeper relationship with Mother Earth.

Featuring breathtaking prairie footage and interviews with Indigenous elders Dave Courchene Jr and Florence Paynter, the film helps viewers redefine their identity and direction amidst today's growing conflicts, dislocation, and environmental challenges.