Global Climate Change

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Global climate models developed by the UN's Intergovernmental Panel on Climate Change predict glacial retreat, rises in sea level, and other impacts on human and natural activity, from agriculture to migratory patterns. RAND researchers have studied and are continuing to examine the effects of climate change, particularly how governments and businesses respond to both observed changes and projected scenarios.

  • The hydroelectric dam Cachi in Ujarras de Cartago, 60 miles of San Jose, Costa Rica, May 25, 2007, photo by Juan Carlos Ulate/Reuters

    Report

    The Benefits and Costs of Decarbonizing Costa Rica's Economy

    Nov 24, 2020

    Costa Rica set the ambitious goal of becoming carbon-neutral by 2050. An evaluation of the benefits and costs of its National Decarbonization Plan finds that under most plausible assumptions about the future, the plan would achieve or nearly achieve its goals and do so at a net economic benefit.

  • A surfer makes his way to the beach during a King Tide event along the California coastline at Cardiff State Beach in California, November 16, 2020, photo by Mike Blake/Reuters

    Commentary

    California Needs a More Flexible Approach to Sea Level Rise Planning

    Feb 18, 2021

    Rising seas create significant risk to the health, safety, and economic vitality of California's coast communities, and we must prepare. A contingency-planning approach would provide flexible action over time and would build capacity that California and the nation need to respond to the many other serious and growing climate-related risks.

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