Inspired by the dedication of other park rangers who risked their lives to protect endangered animals, Australian park ranger, Sean Willmore, made a documentary called The Thin Green Line. His effort was to bring attention to the dangerous work these wildlife warriors undertook. Today The Thin Green Line Foundation looks after the welfare of rangers families where the ranger has been killed in the line of duty, and is also aiming to better equip rangers worldwide so that they have a greater chance of protecting both themselves and wild areas we all care about.

Writer, lawyer, and entrepreneur, Andrew Shapiro is author of The Control Revolution: How the Internet is Putting Individuals in Charge and Changing the World We Know, an Amazon bestseller which Industry Standard magazine called one of 1999's "Ten Books that Matter."

Founder of Clean Edge, Inc., Ron is a market research, communications and business development entrepreneur with over two decades of experience. He is author of The Clean Tech Revolution and other publications that report on emerging clean technologies.

Denis Hayes is a leading environmental activist and proponent of Solar power. He rose to prominence in 1970 as the coordinator for the first Earth Day.

Denis Hayes was born in Wisconsin in 1944, but predominantly raised in the small town ...

Author of EcoKids: Raising Kids Who Care for the Earth, Dan Chiras has years of experience in sustainable development and for the past 30 years he has applied that knowledge in solar energy, natural building, and green building to his residence. Dan built a state-of-the-art rammed earth tire and straw hole bale home and later installed solar electrical panels and a small wind generator.

Hunter Lovins areas of interest and expertise include Natural Capitalism, globalization, economic development, governance, land management, energy, water, green real-estate development and community economic development. She is the president and founder of Natural Capitalism, Inc. and co-creator of the Natural Capitalism concept. Lovins has managed international non-profits, created several corporations, and is in great demand as a speaker and consultant.

Gal Luft specializes in strategy, geopolitics, terrorism, Middle East and energy security. He is executive director of the Institute for the Analysis of Global Security (IAGS) a Washington based think tank focused on energy security and co-founder of the Set America Free Coalition, an alliance of national security, environmental, labor and religious groups promoting ways to reduce America's dependence on foreign oil.

Summer Rayne Oakes is a fashion model and a passionate advocate for fair trade and sustainability. She has a science degree from Cornell, is the author of Style, Naturally. Summer is also an on-air correspondent and the youngest member of the board of advisors for Discovery's Planet Green, and in 2010 will be hosting her own show for the network.

North America, Europe, and Africa sustainable business expert, Sissel's expertise includes corporate environmental strategy, sustainability and innovation, sustainable design, carbon and environmental markets, payments for ecosystem services, conservation-based entrepreneurship, and community-based conservation.

A veteran of CBS Radio News, Betsy Rosenberg specializes in environmental reporting. She is the co-founder of Don't Be Fueled! - Mothers For Clean and Safe Vehicles and speaks about her work and the many ways people can make a real difference through their lifestyle choices, and her "12 Step Program for Waste-a-holics."