Why do we keep reading about unreliability as the problem with a 100-percent clean power future? The media confuses intermittency with unreliability. A full moon is intermittent -- and so are eruptions of Old Faithful. But we would not describe either of them as "unreliable."
Given what scientists now know about the link between climate change and heat waves, floods, droughts and heavy downpours, the time for a national climate service is now. But unfortunately Congress is moving in the opposite direction.