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Photo: Paul Ratje/AFP/Getty Images
“Perhaps most importantly of all, because our very existence depends on it, we can unleash the ingenuity and creativity of millions of Americans who want to ensure that we squarely confront the challenge of climate change before it’s too late.”— Beto O'Rourke, in his 2020 launch video
Why it matters: If that "perhaps most importantly" part translates into heavy emphasis on the stump, it will be another sign that global warming is no longer a second-tier topic in national politics. But we'll see.
The big question: O'Rourke has said he is "supportive of the concept" of the Green New Deal and that it is "the best proposal" he has seen to address climate change.
Go deeper: