"History has shown us that in moments of crisis, society can truly transform," says environmental educator Severn Cullis-Suzuki. Nearly 30 years ago, at just 12 years old, she spoke at the UN's Earth Summit in hopes of reversing the planet's slide into ecological disaster. Some at the summit listened and took radical action, but for the rest of ...

The climate crisis demands leadership at every level. Governments, cities and businesses are three key players in designing and implementing the necessary transition -- and putting climate back on the political and social agenda. Session 2 of the Countdown Global Launch, hosted by Al Gore and Jaden Smith, features Severn Cullis-Suzuki, Ursula vo...