Barry Stevens and Nanci Wright co-founded El Puente - The Bridge in Puerto Viejo, Costa Rica. This program offers educational assistance, food, and microloans, primarily to indigenous

Barry Stevens and Nanci Wright co-founded El Puente - The Bridge in Puerto Viejo, Costa Rica. This program offers educational assistance, food, and microloans, primarily to indigenous communities.

El Puente's School Program supports children's educational expenses. The Food Program provides healthy meals and a gathering place on Tuesdays, Thursdays, and Saturdays. Their Microloan Program offers small loans, from $20 to $400, using proven methods that have combated poverty globally since 1987.

Your support is vital. Please consider donating to help their mission: Give a little or a lot.

"The Roots of Sustainability Thinking" by Dr. Karl-Henrik Robert, a Swedish cancer doctor, explores his journey in founding The Natural Step. He established this initiative to introduce scientific

"The Roots of Sustainability Thinking" by Dr. Karl-Henrik Robert, a Swedish cancer doctor, explores his journey in founding The Natural Step. He established this initiative to introduce scientific principles into environmental debates and provide a robust framework for action.

In an interview by filmmaker Barry Heidt, Robert discusses his personal path to creating a shared vision for planetary well-being and achieving prosperous lives without environmental degradation. More videos on Portland's sustainability progress are available on The Natural Step's YouTube channel.

Rebecca Moore of Google Outreach discussed the Google Earth Outreach Program at the 2009 Bioneers Conference. This "Global Community

Rebecca Moore of Google Outreach discussed the Google Earth Outreach Program at the 2009 Bioneers Conference. This "Global Community Watch" empowers non-profits, communities, and indigenous peoples worldwide by applying Google's mapping tools to foster a sustainable society.

A computer scientist, Moore's personal Google Earth work was instrumental in stopping the logging of redwoods in her Santa Cruz Mountain community. She also initiated and leads Google Earth Engine, a platform for global-scale data-mining of satellite imagery for societal benefit. Moore holds degrees from Brown and Stanford Universities.

Clem Ogilby, a career preservationist, discusses his passion for saving buildings. He helps clients repurpose residential and commercial structures using green principles while maintaining a

Clem Ogilby, a career preservationist, discusses his passion for saving buildings. He helps clients repurpose residential and commercial structures using green principles while maintaining a traditional or historic aesthetic. Ogilby argues that demolition is often unnecessary and not a sustainable practice. His current project involves saving the 1880 Morris Marks House, which faces demolition if not moved and restored.

This video, produced by Ruth Ann Barrett of EarthSayers.tv, emphasizes that sustainability must include the preservation of existing, useful, and historic buildings. The content was originally posted by EarthSayer on June 30, 2010.

Jeff Greenwald is a bestselling travel and science writer, with five books and hundreds of features to his credit. He serves as executive director of