In his new memoir, Angels by the River, Gus Speth, Democracy Collaborative Senior Fellow and Co-Chair of the Next System Project, describes his personal journey to become one of our nation’s most prominent environmental leaders and activists. Speth, who is also a co-founder of the Natural Resource Defense Council and founder of the World Resources Institute, protests America’s deep social and income inequalities and urges a transition to a new environmentalism, one predicated on an environmentally and socially restorative economy.