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  • Friday Podcasts

    Elizabeth Malone on Climate Change and Glacial Melt in High Asia

    January 21, 2011 By Wilson Center Staff
    “There’s nothing more iconic, I think, about the climate change issue than glaciers,” says Elizabeth Malone, senior research scientist at the Joint Global Change Research Institute and Pacific Northwest National Laboratory. Malone served as the technical lead on “Changing Glaciers and Hydrology in Asia: Addressing Vulnerability to Glacier Melt Impacts,” a USAID report released in late 2010 that explores the linkages between climate change, demographic change, and glacier melt in the Himalayas and other nearby mountain systems.

    Describing glaciers as “transboundary in the largest sense,” Malone points out that meltwater from High Asian glaciers feeds many of the region’s largest rivers, including the Indus, Ganges, Tsangpo-Brahmaputra, and Mekong. While glacial melt does not necessarily constitute a large percentage of those rivers’ downstream flow volume, concern persists that continued rapid glacial melt induced by climate change could eventually impact water availability and food security in densely populated areas of South and East Asia.

    Rapid demographic change has potentially factored into accelerated glacial melt, even though the connection may not be a direct one, Malone adds.

    Atmospheric pollution generated by growing populations contributes to global warming, while black carbon emissions from cooking and home heating can eventually settle on glacial ice fields, accelerating melt rates. Given such cause-and-effect relationships, Malone says that rapid population growth and the continued retreat of High Asian glaciers are “two problems that seem distant,” yet “are indeed very related.”

    The “Pop Audio” series is also available as podcasts on iTunes.
    Topics: Asia, China, climate change, demography, environmental health, environmental security, flooding, food security, Friday Podcasts, India, Pakistan, podcast, population, South Asia, water

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