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Published December 05, 2012, 12:00 AM

Invasive plants


Access to many West Africans’ primary sources of water is being squeezed off by an invasive aquatic plant called typha, similar to Minnesota cattails. The plants also make perfect habitat for disease carrying mosquitos. Natural Resources Research Institute researchers hope to export technology that will enable villagers to make cooking briquettes out of typha, an effort that also could help slow deforestation in the region. (Photos courtesy of Natural Resources Research Institute)
Read the article: Scientists in Duluth working to solve some of West Africa's vexing problems