Pilar Saborio, Costa Rica's Ambassador to the UK, discusses her nation's actions to address climate change.

She highlights the leadership small countries can provide in combating global

Pilar Saborio, Costa Rica's Ambassador to the UK, discusses her nation's actions to address climate change.

She highlights the leadership small countries can provide in combating global warming.

Wilson Justin (Althsetnay, Athabascan) discusses true leadership, advocating for a new generation of morally courageous individuals who illuminate issues and speak out across all societal

Wilson Justin (Althsetnay, Athabascan) discusses true leadership, advocating for a new generation of morally courageous individuals who illuminate issues and speak out across all societal levels.

This interview is part of a series exploring sustainability from Indigenous leaders within the Salmon Nation bioregion. Discover more at the Native Perspectives on Sustainability project.

Kate Miller, a Portland-based designer at Kate Miller Sustainable Interiors, specializes in lighting design, emphasizing energy conservation. She discusses her latest project with QUAD Inc., a

Kate Miller, a Portland-based designer at Kate Miller Sustainable Interiors, specializes in lighting design, emphasizing energy conservation. She discusses her latest project with QUAD Inc., a non-profit assisting low-income adults with severe physical disabilities, and her career in sustainable design.

Miller stresses collaboration and trust as keys to success, advocating for a focus on social equity this year.

For more videos on Portland's sustainability progress, visit the Portland Sustainability Leadership channel on YouTube.

Rob Bennett, founding executive director of the Portland Sustainability Institute (PoSI), established the organization in 2009. PoSI unites business, higher education, nonprofit, and municipal

Rob Bennett, founding executive director of the Portland Sustainability Institute (PoSI), established the organization in 2009. PoSI unites business, higher education, nonprofit, and municipal leaders to drive next-generation urban sustainability initiatives for the Portland metro region.

Bennett discusses EcoDistricts, stressing the need for a clear, integrated strategy. He believes positive change comes from enthusiastically pursuing tangible, local, sustainable solutions. His work continues at the intersection of environment, community social justice, and built form.

For more videos on Portland's sustainability progress, visit the Portland Sustainability Leadership channel on YouTube.

Todd Reeve of the Portland, Oregon-based Bonneville Environmental Foundation (BEF) discusses the organization's three core program areas: climate change and renewable energy initiatives; educating

Todd Reeve of the Portland, Oregon-based Bonneville Environmental Foundation (BEF) discusses the organization's three core program areas: climate change and renewable energy initiatives; educating K-12 students on climate and energy; and long-term watershed restoration.

For more information, visit the BEF website: http://www.b-e-f.org/.

Explore more sustainability leaders on the Portland Sustainability Leadership channel on YouTube: http://www.youtube.com/group/portlandleaders#.

Environmentalist David Suzuki recently criticized Canada's environmental leadership. In an interview with