will have to leave their homes by 2050 due to climate change. people from the poorest and smallest nations will likely be forced to migrate first. as the united states is leading the world in carbon emissions, what role do you believe the united states must play in regards to these inevitable climate migrants? >> great question. >> that is a great question. >> minority and low-income neighborhoods and communities in transition are disproportionately targeted by industries that follow the path of least resistance when deciding where to locate hazardous waste sites and other polluting facilities. how will you regulate these corporate actions in order to fight environmental, racial and socioeconomic injustice? >> what measures would you take not only to reduce co2 emissions, but day-to-day, outdoor and indoor workers from these heat illnesses? >> we are back here an georgetown university. i'm joined bay bunch of students. we had a forum this morning. we had a whole bunch of candidates talking.