The Economist: All Audio
Jul 9, 2019 For thousands of years we sailed our cargo across oceans using zero-emission, 100 percent renewable wind. Then we switched to ships that run on oil, creating a global maritime fleet that pumps greenhouse gases into the sky. Could we go back to wind-powered ships by rediscovering a clever nautical innovation that we abandoned a century ago? See acast.com/privacy for privacy and opt-out information.