Grid parity for solar PV is already here in 105 countries

I have already noted quite a few times in the past month that grid parity is slowly but surely approaching. What if it were already the case ? To the Applied Materials blog and REneweconomy it is already here in over a hundred countries. Yes, solar photovoltaic installed on rooftops is now cheaper than electricity… Continue reading Grid parity for solar PV is already here in 105 countries

Painting roofs white

Sometimes the simplest solutions can have huge impacts. Indeed, painting dark roofs white can decrease by up to a fifth  buildings air conditioning use. Generalized globally, this could make a big difference. Scientists at the Concordia University estimated that painting one percent of the world’s urban surfaces white could reduce carbon dioxide emissions by 130… Continue reading Painting roofs white