Could Covid lockdown have helped save the planet?

Slowdown of human activity was too short to reverse years of destruction, but we saw a glimpse of post-fossil fuel worldWhen lockdown began, climate scientists were horrified at the unfolding tragedy, but also intrigued to observe what they called an “inadvertent experiment” on a global scale. To what extent, they asked, would the Earth system respond to the steepest slowdown in human activity since the second world war?Environmental activists put the question more succinctly: how mu