RAND Research Topic: Earth Sciences2024-03-27T18:42:56ZCopyright (c) 2024, The RAND CorporationRAND Corporationhttps://www.rand.org/topics/earth-sciences.htmlThe Time to Prevent Shortfalls in Critical Materials Is NowRAND Corporationhttps://www.rand.org/pubs/articles/2023/the-time-to-prevent-shortfalls-in-critical-materials.html2023-03-20T16:45:00Z2023-03-20T16:45:00ZChina's domination of the rare earth market is a matter of economic and national security concern. Existing plans to diversify the market and help the United States break its reliance on China likely don't go far enough or fast enough, and the clock is running.Why Not Space Mirrors?RAND Corporationhttps://www.rand.org/pubs/commentary/2022/10/why-not-space-mirrors.html2022-10-19T09:56:00Z2022-10-19T09:56:00ZGiant space mirrors can reflect solar radiation away from Earth, potentially helping to address the effects of climate change. But decisionmakers need more information about this technology to determine if it's a viable option.