See Candidate Page Elizabeth Warren, Climate Warren tweets 12/11/19 What a well-deserved honor for @GretaThunberg. Climate change is an existential threat, and Greta has been one of the leading voices in this fight. Now it's on us to hear her warning and fight to defeat the climate crisis. https://t.co/Qzfk3JJW3s— Elizabeth Warren (@ewarren) December 11, 2019