He is describing the Pacific Decadal Oscillation, a huge heat circulation cycle in the Pacific. It is a 50 - 60 year cycle that warms and cools the waters of the Pacific. Yes, the PDO was in its warm cycle for decades and has recently begun the cooling phase. So its not the earth but the largest ocean on the earth that is cooling.
He is describing the Pacific Decadal Oscillation, a huge heat circulation cycle in the Pacific. It is a 50 - 60 year cycle that warms and cools the waters of the Pacific. Yes, the PDO was in its warm cycle for decades and has recently begun the cooling phase. So its not the earth but the largest ocean on the earth that is cooling.