
Global Issues
Environment & Sustainability
Environment & Sustainability:
Global Policy Expert
Controversial author, journalist, professor and food policy expert Raj Patel continuously challenges our presumptions about the global economy with his work both as a policy analyst and activist.
Expert In Climate Adaptation & Public Policy, Author
An inspiring, thoughtful, and ever-optimistic authority on the implications for humanity of rapidly rising sea levels, Susan Crawford is the author of Charleston.
Consumer Advocate
A former Green Party candidate for president, Ralph Nader fights for the people on the issues that matter most: healthcare, safety, environment, ethics, education, and economic & social equality.
Expert on Energy, Environment & Food
An expert on energy and global infrastructure, Smil sheds light on the fact that moving away from fossil fuels to alternative energy fields will be a complex undertaking which will require enormous investments.
Former President of Colombia
Former Colombian President César Gaviria is known as a conflict mediator, advocate of democracy, staunch supporter of regional integration, and defender of human rights. He is credited with reforming the Americas.
Former President of Costa Rica
A former President of Costa Rica and Nobel Laureate, Oscar Arias has traveled the world championing such issues as democracy, demilitarization and peace
Leading Authority on Climate Change
Nicholas Stern (Lord Stern) is a globally recognized economist, and one the world’s leading authorities on climate change, international development and global economic growth.
Global Authority on Using Soft Power to Change Behavior, Forbes Columnist on Leadership Strategies & Fellow-in-Residence at the McSilver Institute of Poverty Policy and Research, NYU
Penny Abeywardena is an award-winning public official and international columnist with a rapidly growing audience. She has learned a lot about how and why political and social progress happens — especially before and after courts and politicians get involved.