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The legacy of environmental innovation chronicled by the USPTO is transcalar, spanning centuries and addressing a diverse array of environmental conditions. (Left to right) US325127 “Submarine Wall:” a method for dredging Galveston Bay using tidal action; US833544 “Method of Cleansing Harbors:” a system to circulate clean water through landlocked harbors that have become eutrophic and polluted; US8511936 “A Method and Apparatus for Coastline Remediation, Energy Generation, and Vegetation Support:” a biomechanical structure that supports mangrove forests and harnesses wave energy to remediate coasts; and US2010/0251789 “Global Warming Mitigation Method:” a system of capturing carbon and water in desert areas to address issues of climate change. Images from USPTO.gov.