Fast Coexist: Four days and four hours after a powerful storm battered parts of the U.K. last Decemberbreaking national records and leaving 5,000 homes floodedresearchers made a statement: The unusually heavy rain was linked to climate change. Last July, when temperatures topped 104 degrees in several European countries, breaking more records, scientists also quickly analyzed the data as the heat wave happened. They concluded that the extreme temperatures were much more likely now than in the past because of...