The world prepare to shut off their lights for one hour on Saturday in observance of Earth Hour. During Earth Hour, people around the world are asked to turn off their lights for an hour at 8:30 p.m. local time on March 27. This year the event has topped its participation figure that rise to 92 countries from last year, which was 88 countries.

Countries and regions involved for the first time include: the world’s newest country Kosovo, the remote island nation of Madagascar, Nepal, Saudi Arabia, Mongolia, Cambodia, Czech Republic, Paraguay, Ecuador and the U.S. Commonwealth of the Northern Marina Islands in the Pacific Ocean.

Earth Hour Executive Director, Andy Ridley said, “Earth Hour demonstrates the determination of the world’s citizens for a better, healthier world. It brings together cities, communities, businesses and individuals on the journey to positive action on climate change.”

Earth Hour began in Sydney in 2007, when 2 million people switched off their lights.In 2008, more than 50 million people around the globe participated. In 2009, hundreds of millions of people in more than 4,000 cities and towns switched off their lights for one hour.