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Researchers found the cities are sinking slowly, just a few millimeters per year, but their findings raise some big questions about how this issue could impact cities鈥� infrastructure and development in the long term.

In Columbus' Clintonville neighborhood, Elizabeth Heiser was working in her backyard when she made an unusual discovery. While removing some unwanted鈥�

We know the energy picture is going to change, but we don芒聙聶t yet know how that will happen and what we芒聙聶ll be left with to power our world in the鈥�