Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: President Trump's announcement a year ago that he was withdrawing the US from the Paris climate agreement may have been the best and worst thing that could have happened to the deal, at the same time.

Paris climate pullout: The worst is yet to come