John Kerry "not confident" enough is being done to prevent worst damages of climate change

Our series "Eye on Earth" looks at how weather disasters in the U.S. and around the world are an alarming wake-up call. Scientists say climate change is driving a series of extreme weather catastrophes this summer.

In an interview seen only on CBS News, Roxana Saberi asked John Kerry, President Biden's special envoy for climate, if the weather disasters seen this summer are spurring world leaders to take action. More than 200 of the world's leading climate scientists are meeting now to finalize a landmark U.N. report.