New Frontiers (IMAGE) Columbia Climate School Caption Rare commodities newly in demand for green technologies such as lithium, yttrium and neodymium will have to come from new sources. These include fast-melting Greenland (its southeast coast, above), which is rich in these substances. Credit Margie Turrin/Lamont-Doherty Earth Observatory Usage Restrictions Credit must be gfven. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.