Joe Romm writes: The rapid rise of solar power is one of the most astonishing transformations in the history of global energy use.

A decade ago, solar photovoltaics (PV) was just a tiny sapling, easily dismissed by fossil fuel advocates. Today, after a remarkable 30-fold increase in PV sales in just nine years, it has become a giant redwood forest.

And the giant is still growing, as GTM Research reported in its latest Global Solar Demand Monitor for the first quarter of 2017. [Continue reading…]