Surya Bowyer, Head of Library Services and Curator of Collections at Queen Elizabeth's, explores the question: "Why save a tree?"

His TEDx talk spans topics from Canada to Scotland,

Surya Bowyer, Head of Library Services and Curator of Collections at Queen Elizabeth's, explores the question: "Why save a tree?"

His TEDx talk spans topics from Canada to Scotland, including tax incentives, the "Wood Wide Web," and the history of Queen Elizabeth's School. With an interest in the history of science, Surya has also collaborated with the Science Museum, London.

This presentation was part of an independently organized TEDx event. Learn more about TEDx at https://www.ted.com/tedx.

Achieving bipartisan climate solutions in our politically polarized times requires us to leave our echo chambers. This Braver Angels Town Hall brings progressives and liberals together with a

Achieving bipartisan climate solutions in our politically polarized times requires us to leave our echo chambers. This Braver Angels Town Hall brings progressives and liberals together with a diverse panel of conservatives. Attendees will discover common ground and understand that true bipartisanship demands conscious effort from all.

The distinguished panel includes Dr. Bill Doherty, co-founder of Braver Angels; Jacob Abel, a conservative outreach fellow and spokesperson for RepublicEn.org; Steve Saltwick, co-founder of the Braver Angels Alliance in Central Texas; Ron, a retired teacher and Braver Angels volunteer; Elizabeth Fenner, CCL State Coordinator for California; and Bruce Morlan, co-leader of the CCL Braver Angels Action Team.

Sister Elizabeth Brandreth offers the opening prayer, followed by Madeleine Para, President of Citizens' Climate Lobby, who kicks off the conference. Bishop John Stowe, OFM Conv, Bishop of

Sister Elizabeth Brandreth offers the opening prayer, followed by Madeleine Para, President of Citizens' Climate Lobby, who kicks off the conference. Bishop John Stowe, OFM Conv, Bishop of Lexington, delivers the keynote.

Bishop Stowe advocates for elevating care of creation as a core Church doctrine and a key pro-life issue, serving as Episcopal Advisor for the Catholic Committee of Appalachia and Bishop President of Pax Christi USA. CCL's Dr. Danny Richter will converse with Ambassador Francis Rooney, former U.S. Ambassador to the Holy See and a Republican sponsor of the Energy Innovation and Carbon Dividend Act.

This talk features a young innovator and entrepreneur presenting a green solution to the massive socio-environmental problem of crop burning in Northern India. He is the founder and CEO of Craste,

This talk features a young innovator and entrepreneur presenting a green solution to the massive socio-environmental problem of crop burning in Northern India. He is the founder and CEO of Craste, a TechStars company, which operates on the principle of “maximum efficiency, zero waste” and develops pioneering materials from leftover biomass.

A Chemical Engineering graduate from Imperial College London, he was invited to Buckingham Palace by Queen Elizabeth II for his achievements. He has received numerous accolades, including the BIRAC SoCH Innovation award. Additionally, he founded Gramiksha, a non-profit focused on youth mobilization in education, at age 19.

This presentation was delivered at a TEDx event. Learn more at ted.com/tedx.

Visit TED.com for our complete library of TED Talks, transcripts, and translations. Discover personalized recommendations and explore inspiring ideas from leading

Visit TED.com for our complete library of TED Talks, transcripts, and translations. Discover personalized recommendations and explore inspiring ideas from leading thinkers on technology, science, business, and global issues. You're welcome to link, embed, and share these videos.

Featured is marine biologist Ayana Elizabeth Johnson, who shares five amazing reasons to love parrotfish – from creating white sand to colorful "wardrobe changes." She reveals what's at stake as climate change threatens coral reefs. Get personalized recommendations at TED.com/signup. For commercial use, submit a Media Request at media-requests.TED.com. Follow TED on social media via Twitter, Facebook, and YouTube.

Dr. Elizabeth K. Lindsey, a National Geographic Fellow, shares profound insights into ancestral wisdom and the vital importance of collective action. She emphasizes that a global awakening

Dr. Elizabeth K. Lindsey, a National Geographic Fellow, shares profound insights into ancestral wisdom and the vital importance of collective action. She emphasizes that a global awakening requires everyone's participation.

Interview by Barry Heidt; Edited by Rob Russo.

In Dartmouth's "Leading Voices: Sustainability and Higher Education" series, University of Minnesota Professor Elizabeth Wilson discussed the necessity of interdisciplinary collaboration to tackle

In Dartmouth's "Leading Voices: Sustainability and Higher Education" series, University of Minnesota Professor Elizabeth Wilson discussed the necessity of interdisciplinary collaboration to tackle real-world challenges. This event was published on July 17, 2013.

Wilson highlighted sustainability as a crucial cornerstone for future education, stating, "It's up to us as professors, as universities, to provide them the educational opportunities and training to really go out in the world and make a difference." Learn more about her insights here.

The Ethical Cannabis Alliance (ECA) hosted a kickoff event with Emma Chasen, Ashley Preece, and Laura Day Rivero. This event addressed the critical need for robust labor and environmental

The Ethical Cannabis Alliance (ECA) hosted a kickoff event with Emma Chasen, Ashley Preece, and Laura Day Rivero. This event addressed the critical need for robust labor and environmental standards within the cannabis industry. For more information, visit the ECA website here.

ECA Executive Director Ashley Preece was joined by guest presenters Laura Day Rivero, an expert in sustainable cannabis practices, and Dr. Elizabeth Bennett. Dr. Bennett, an Assistant Professor at Lewis & Clark College, researches the demand for ethically sourced cannabis products in Oregon and the knowledge of "budtenders" on this topic.

View the presentations on our YouTube channel and follow our Facebook and Instagram accounts to stay informed. Part 2 of the event is also available on EarthSayers.tv here.

During the Copenhagen Climate Talks, Kenyan tree-planting activist Wangari Maathai was appointed a UN Messenger of Peace. UN Secretary-General Ban Ki-moon bestowed the honor, symbolized by a

During the Copenhagen Climate Talks, Kenyan tree-planting activist Wangari Maathai was appointed a UN Messenger of Peace. UN Secretary-General Ban Ki-moon bestowed the honor, symbolized by a pinned dove, in a ceremony witnessed by RRI's Elizabeth Baker, a delegate associated with Maathai's Green Belt Movement.

Professor Maathai emphasized activism's crucial role in safeguarding civil society's global interests. She urged for decisive climate action within a Copenhagen agreement.

Naturalist Nick Baker embarks on a global adventure in 'Deep into the Wild' (2001), getting up close with some of the planet's wildest animals. From rattlesnakes in Arizona and grizzly bears in

Naturalist Nick Baker embarks on a global adventure in 'Deep into the Wild' (2001), getting up close with some of the planet's wildest animals. From rattlesnakes in Arizona and grizzly bears in Alaska to rhinos in Swaziland and diverse wildlife in Costa Rica, he explores untamed places and treacherous environments.

Discover these dramatic encounters and 50 years of captivating natural history content on BBC Earth. Subscribe for entertaining and thought-provoking wildlife stories.

Explore more with playlists like Planet Earth III and Frozen Planet II. For service information and feedback, visit here.