ITC Grand Chola in Chennai and ITC Windsor in Bengaluru have been certified with the US Green Building Council LEED Zero Carbon Certification. This makes both hotels the only ones in the world to have net-zero carbon status. The 600-room ITC Grand Chola, the ITC Hotels group's largest property, becomes the largest commercial building on the planet to be accorded the distinction. The certification implies that both hotels leave no carbon footprint on the environment on account of their eco-friendly operations and sustainable practices

Read the Article on CNBC TV18 :
https://www.cnbctv18.com/hospitality/two-itc-properties-become-first-hotels-in-the-world-to-achieve-net-zero-carbon-status-11815922.htm