178 countries worldwide observe Earth Hour 2015
Q. When was earth hour 2016 observed?- Published on 21 Mar 16a. 20th March
b. 19th March
c. 18th March
d. 17th March
ANSWER: 19th March
Millions of people in a record 178 nations switched off lights at 8:30 pm last night to mark Earth Hour, the world’s biggest demo to eliminate climate change from escalating out of control. Close to 366 landmarks across the world from the Sydney Opera House to the Elizabeth Tower, Salisbury Cathedral and Empire State Building and the Buckingham Palace observed the earth hour. Event organiser WWF also celebrated the event by sharing 60 things to do in the dark such as watching stars.
