Climate Challenge: Was the tropical Pacific warmer or cooler than average in April 2015?

How much warmer or colder than average would sea surface temperatures be in the eastern tropical Pacific Ocean in April 2015? That's the question we asked participants to answer in our new online game, in which players pit their predictive powers against experts’ opinions. The answer is in…

Climate Challenge: Was the tropical Pacific warmer or cooler than average in April 2015? Read More >