Ramaswami: Reduced factory emissions and those from power stations and even from the grounded airline industry have given people a taste of clean air. The lockdown has taken out the equivalent of almost 1.5 billion tonnes of carbon dioxide in China and could curb global emissions from air travel by 11% to 19%, says a March 11, 2020 report by Bloomberg Intelligence. There is thus immense wishful thinking around renewable energy, as the International Energy Agency (IEA) position confirms.