At least 65 percent of urban areas in 25 major cities are sinking, with some local spots dropping by about two inches a year, new research has shown.

Even after several decades, records show that states like New York, Maryland, Michigan, Texas, and Wisconsin all still have hundreds and possibly thousands of underground facilities labeled as ...

An alarming map has shown several coastal US cities that are predicted to be underwater due to rising sea levels by 2100 if global temperatures continue to increase.

The surrounding regions of New York City, Los Angeles and Philadelphia were ranked among the dirtiest major metropolitan areas in the country.