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Cities around the world flip the switch to mark Earth Hour

Last Updated Mar 30, 2019 at 5:27 pm MDT

The Toronto sign is dimmed at City Hall.

TORONTO (680 NEWS) — Landmarks around the world from the CN Tower to the Eiffel Tower are going dark for an hour at 8:30 local time tonight for Earth Hour.

This will mark the 13th year Canada is switching off the lights in response to the global movement.

While it can be a good tool to raise awareness, scientists say an hour isn’t going to repair climate change.

“There needs to be government action. There needs to also be individual lifestyle changes as well,” says Dr. Dave Atkinson, an arctic ecologist at Ryerson University.

“We can’t continue to do the things the way we’ve been doing them and burning the amount of carbon that we have. Carbon dioxide levels continue to rise and it’s just creating a warmer planet.”

Beginning in Sydney in 2007, Earth Hour has spread to more than 180 countries, with tens of millions of people joining in.

This year’s Earth Hour is specifically focused on conserving nature and biodiversity.

Paris Mayor Anne Hidalgo dimmed the lights Saturday on the city’s most famous monument for an hour starting at 8:30 p.m.

Here’s how some countries have celebrated Earth Hour so far:

– With files from the Associated Press