Joel Klein served as the chancellor of the New York City Department of Education for eight years. In a new book called "Lessons of Hope: How to Fix Our Schools," he recounts his experience as head of the nation's largest school district and explains his vision for how to solve the problems plaguing our education system.
Artificial trees to capture carbon, billions of tiny mirrors to reflect sunlight, sulfate to whiten clouds: promise and pitfalls of large scale radical ideas for addressing climate change.
- Eli Kintisch author of "Hack the Planet: Science's Best Hope- or Worst Nightmare - for Averting Climate Catastrophe"
- Margaret Leinen Founder and CEO, The Climate Response Fund
- Robert Jackson Nicholas Chair of Global Environmental Change and a professor in the Biology Department, Duke University
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