See Candidate Page Pete Buttigieg, Climate, National Security Climate tweets on Buttigieg 4/14/19 Buttigieg on climate change in 2020 announcement: "Our economy is on the line. Our future is on the line. Lives are on the line. So let's call this what it is, climate security, a life and death issue for our generation."— Dan Merica (@merica) April 14, 2019