In our series The 2020's, we're exploring the big topics that will dominate the conversation in the next decade. In Monday’s installment, our focus is on climate change. Over the last 10 years, sea levels have risen at an alarming rate. Biodiversity is reportedly declining faster than at any time in human history, and millions of people have been affected by extreme weather, like hurricanes and floods. CBS News meteorologist and climate specialist Jeff Berardelli discusses what we can expect over the next decade.
