BAKU: Cities in Asia and the United States emit the most heat-trapping gas that feeds climate change, with Shanghai the most polluting, according to new data...
A proposal to build a high-speed train line between New York City and Boston is finally gaining steam a decade after it was proposed, Fox 5...
While a robust underground rail system reduces fossil fuel emissions and traffic congestion, it can also carry some of its own pollution risks. A new study...