{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/69603998d11f0c4fbb8fc983/696039a3d8ac698e7e2ea022?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"S2E8: Salvation In The Air","description":"<p>At the dawn of the 20th century, chemists dreamed of extracting nitrogen from the air and turning it into a limitless supply of fertiliser. Sceptics thought they were crazy -- it was possible in theory, but it was unclear if it could be done in practice. What happened next changed the course of 20th-century history, and provides inspiration to innovators pursuing a different dream today: sucking carbon dioxide out of the air to avert climate change. Might they not be quite so crazy after all?</p><p> </p>","author_name":"Slate Podcasts"}