It's a fact: climate change made Hurricane Harvey more deadly | Michael E Mann

We can’t say that Hurricane Harvey was caused by climate change. But it was certainly worsened by it

What can we say about the role of climate change in the unprecedented disaster that is unfolding in Houston with Hurricane Harvey? There are certain climate change-related factors that we can, with great confidence, say worsened the flooding.

Related: What we know so far about tropical storm Harvey

Sea surface temperatures in the region have risen about 0.5C (close to 1F) over the past few decades