What do global problems cost us?

Every two minutes, a woman dies of complications related to pregnancy and childbirth. But it doesn’t have to be that way. Most of these deaths are preventable — and the world has been working on a solution for decades. The problem is the funds dedicated to solving the problem never go far enough. There are inexpensive and effective solutions that could help bring down the number of mothers who die from childbirth. A new analysis published last week by Copenhagen Consensus, the think tank I lead, shows how a modest investment of less than $3 billion a year could avert 162,000 maternal deaths,...

Britain's Prime Minister Boris Johnson just announced a ban on the sale of new petrol and diesel cars from 2030 in an attempt to jump-start the market for electric cars in the UK. Bjorn Lomborg cautions in Britain's largest-circulating broadsheet newspaper The Telegraph that electric cars won't be a miracle cure for climate change, as they provide only marginal emission reductions at a very high cost.