How many countries celebrated the Earth Hour 2019?

1.	How many countries celebrated the Earth Hour 2019?
Answer» Earth Hour 2019 was celebrated in 188 countries worldwide. To mark this day, cities worldwide turned their lights off for one hour from 8:30 pm to 9:30 pm local time. It was the 13th edition of Earth hour and the campaign of Earth Hour 2019 was 'Connect2Earth' It was aimed at building mass awareness on the importance of nature and create an unstoppable movement for nature.

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