Tim Harford and the More or Less team try to make sense of the statistics which surround us. From BBC Radio 4
http://www.bbc.co.uk/programmes/p02nrss1
Climate change and birdsong
With much of the world’s population staying indoors, there are fewer cars on the roads, planes in the skies and workplaces and factories open. Will this have an impact on climate change? Plus as the streets become quieter, is it just us, or have the birds begun to sing much more loudly?