Grand Central Terminal (I still call it Grand Central Station) is one of the most magnificent places in the world.  It is the largest public transport hub in the world and has always been the leading symbol of metropolitan hustle and bustle as 185,000,000 people travel through each year.  With 125,000 daily passengers it is already an icon of  green transportation as those rail passengers are not commuting in 125,000 cars.

But wait!  There's more!!  

Here's a great video about the other measures the terminal is making to make it even more green.  Some of the major efforts are 60,000 CFLs, recycling, and turning excess steam into air conditioning.

Watch: