Amanpour and Company | Clip | Climate Change Could Result in "Mass Casualty"
SCOTUS has voted to curb the EPA’s ability to regulate carbon emissions. This comes amid a period of increasingly extreme weather around the world. More than 40 million Americans were under heat advisory last week. Kristie Ebi has been researching the health risks of climate change for decades, and she tells Hari Sreenivasan that death rates will increase unless response systems are improved.