Most top carbon-emitting nations, like the United States, are wealthy democracies. Yet climate change is hurting poor countries first and destabilizing their societies — with rising seas, more frequent hurricanes and harsh droughts, leading to mass migration. Science journalist Kendra Pierre-Louis says buying an electric car won’t help much. What we need, she tells Will and Siva, is far more than good individual choices: a wholesale structural shift, international reparations and a healthy dose of shame.