How Biden Can Tackle Plastic Waste; Ancient Cliff Art In The Amazon

Archaeologists have made a spectacular discovery deep in the Amazon jungle: tens of thousands of paintings strewn across eight miles of cliff faces that date back to the last Ice Age. We talk with a researcher about "the Sistine Chapel of the ancients." And, Beyond Plastics President Judith Enck joins us to outline what steps President-elect Joe Biden can take to curb plastic pollution.