Instead of asking whether climate change caused a heatwave, we should ask how much hotter it became because of fossil fuel ...

When Punxsutawney Phil popped up and saw his shadow on Feb. 2, a collective groan rippled across the Eastern United States, where freezing temperatures, ice and snow have cast a big chill for days.

Rising utility bills and higher oil and gas prices are a concern for many people now. War in the Middle East and the cost of protecting utility infrastructure from more extreme weather are two factors ...