Dr. M. Jahi Chappell, Assistant Professor of Environmental Science and Justice at Washington State University, Vancouver, delivered a lecture titled "Ecological Sustainability, Food, and Human

Dr. M. Jahi Chappell, Assistant Professor of Environmental Science and Justice at Washington State University, Vancouver, delivered a lecture titled "Ecological Sustainability, Food, and Human Rights: The Necessity of 'Action Ecology'" at Portland State University's Social Sustainability Colloquium on January 27, 2012. He argued that scientists should embrace roles as both citizens and credible advocates, emphasizing that this, combined with community participation and outreach—particularly within university settings—is crucial for challenging the status quo and driving effective change.

The lecture was videotaped by Ruth Ann Barrett, Sustainability Advocate and founder of EarthSayers.tv, voices of sustainability.

EarthSayers.tv presents journalist and best-selling author Amy Goodman of Democracy Now, speaking at the Green Festival in Seattle on June 6, 2010. Her

EarthSayers.tv presents journalist and best-selling author Amy Goodman of Democracy Now, speaking at the Green Festival in Seattle on June 6, 2010. Her speech, "Drilling, Spilling, Killing: From Oil Wells to Oil Wars," covered her first-hand experience with the Gulf of Mexico oil spill, a humanitarian aid mission to Gaza, and her lawsuit against St. Paul officials for wrongful arrest during the Republican National Convention.

This seven-part speech is available on YouTube. It was recorded by Ruth Ann Barrett, Producer of EarthSayers.tv, which features voices of sustainability.

Heidi McCloskey is Communications Director for the Textile Exchange, a global B to B Marketplace for the textile industry. Heidi presented at the Fourth Annual Conference on Business and

Heidi McCloskey is Communications Director for the Textile Exchange, a global B to B Marketplace for the textile industry. Heidi presented at the Fourth Annual Conference on Business and Sustainability sponsored by The Center for Global Leadership in Sustainability at the School of Business Administration in Portland State University, Portland, Oregon. Ms. McCloskey argues strongly for collaborating for innovation and thinking beyond the borders of competition.

She was interviewed by Ruth Ann Barrett of EarthSayers.tv, the voices of sustainability.

Napa native Tamra Lotz shares her insights on sustainability at Mumm Napa winery in Rutherford, California. Passionate about sparkling wines and her home valley, Tamra brings extensive expertise

Napa native Tamra Lotz shares her insights on sustainability at Mumm Napa winery in Rutherford, California. Passionate about sparkling wines and her home valley, Tamra brings extensive expertise to her role.

She earned her Viticulture and Enology degree from UC Davis, interned at Mumm Napa, and gained international wine experience abroad. Tamra now collaborates with Ludovic Dervin on all winemaking aspects at Mumm Napa.

Tamra was interviewed by Ruth Ann Barrett of EarthSayers.tv, voices of sustainability, in September 2013.

Social entrepreneur Ruth von Heusinger demonstrates how capitalism can combat climate change. Her non-profit, ForTomorrow, founded in December 2019, enables individuals to purchase European

Social entrepreneur Ruth von Heusinger demonstrates how capitalism can combat climate change. Her non-profit, ForTomorrow, founded in December 2019, enables individuals to purchase European CO2-emission rights. This makes influencing the European economy's carbon footprint as simple as online shopping.

A physicist with prior experience in renewable energies and emissions trading, Ruth established ForTomorrow to create a direct impact in Europe. In her TEDx talk, she explains the EU emission trading system and how individual actions can make a tangible difference. Learn more at ted.com/tedx.