A specialized sponge that works to slurp up pollutants, and then release them as desired, may present a reusable, low-cost solution. As more waterways contend with algae blooms and pollution caused by ...
In a city, managing where rainwater or snow-melt goes is an immensely complex challenge. While grassy and planted areas can absorb water, impervious materials like concrete, asphalt, and roofing ...
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