To tackle a problem as large as climate change, we need both science and Indigenous wisdom, says environmental activist Hindou Oumarou Ibrahim. In this engaging talk, she shares how her nomadic community in Chad is working closely with scientists to restore endangered ecosystems -- and offers lessons on how to create more resilient communities.

Climate change is here, it's real, and it didn't happen overnight. Over the past 150 years, human activities like manufacturing, transportation, commercial agriculture and energy production have created a blanket of carbon pollution that's changed the Earth's ecosystems. But even though the climate crisis is deep-rooted and complex, we can't jus...