On Earth Day, look through CNN Style’s round-up of 18 noteworthy green buildings from around the world. When it opened ... warmer and cooler water from different levels in an aquifer.

REPORTER: THERE ARE THOUSANDS OF SENSOR IN ANY BUILDING. KGS TAPS INTO THIS UNSEEN NETWORK. FROM HERE THEY MONITOR OVER 70,000 PIECES OF EQUIPMENT IN 14 DIFFERENT ... WAY AROUND THE WORLD IN ...

Cultural sites, landmarks, office buildings and residential areas across the world have made it their ... all of Canada where more than 4,000 different types of plant life thrive among its visitors.

His Petronas Twin Towers in Malaysia were the tallest buildings in the world from 1998 to 2004. Other Pelli towers, if not record holders, commanded the skylines of cities around the world.