For over a decade, more than 180 nations and territories have been supporting Earth Hour.
Paris's Eiffel Tower, New York's Empire State Building and the Acropolis in Athens will all take part in Earth Hour.
"Earth Hour 2019 is a powerful opportunity to start an unstoppable movement for nature to help secure an worldwide commitment to stop and reverse the loss of nature - a New Deal for Nature and People as comprehensive and ambitious as the global climate deal". "But we are pushing the planet to the limit and nature is severely under threat", said Marco Lambertini, Director General, WWF International.
"We live in an interconnected world".
The hotel "Kazakhstan" is seen after the lights are switched off for Earth Hour in Almaty, Kazakhstan, March 30, 2019.
No one won the Powerball jackpot, now its up to $750 million
A winning Powerball ticket with an annuity of $315 million was sold at a Hackensack ShopRite in May. The drawing for the jackpot will take be broadcast live on WABC-7 at 10:59 p.m. on Saturday.
Mumbaikars will observe Earth Hour on Saturday by switching off electricity at residences and establishments between 8.30pm and 9.30pm. Dr. Rebecca Elliot, assistant professor in the department of sociology whose research focuses on viewing climate change as an economic problem, highlighted to Newsweek: "The kinds of challenges we face demand collective, rather than individual, solutions: transformations to our infrastructure, supply chains, energy systems, and economic institutions".
In Hong Kong, major buildings along Victoria Harbour turned off their non-essential lights at 8:30pm, and the city's popular tourist attraction known as the Symphony of Lights was cancelled.
It began in Sydney, Australia in 2007 and has over years grown into one of the world's largest grassroots environmental movement.
Residents around the world are being urged to turn off the lights in their homes for one hour Saturday night as part of Earth Hour, an annual effort to appreciate the planet.