We now have the proof: greening the economy doesn't come at the price of prosperity | Fiona Harvey

After the financial crisis, green investment paid dividends. Coronavirus presents an even greater opportunityEverest is once again visible from Kathmandu, after decades shrouded in pollution. Greenhouse gas emissions have fallen to levels last seen in 2006. Nature has returned to our streets with a quack and a flurry, and people are waking to birdsong in inner cities as the roar of traffic recedes.Clear skies bring little cheer at the food bank, however. Birdsong might lift the heart, but it won