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Switch off for Earth Hour and pledge to Let Oceans Shine

Our oceans are nature’s gift to all.

They provide crucial ecosystem services; whether it’s food, recreation, or regulating the earth’s climate.

Join us for Earth Hour at Home, which is happening on Saturday, 27 March, from 8:30pm-9:30pm. The countdown ceremony will be livestreamed as we switch off all non-essential lights for one hour.

This year, we shine a light on the deep connection between people and our irreplaceable oceans.

Under the theme “Let Oceans Shine”, we spotlight the beauty and intrinsic value of our marine environment – and the threats facing it: from plastic marine litter, unsustainable fishing, to runaway development.

Let’s renew our commitment to Change the Way We Live by reducing our human footprint and safeguard our oceans!








New Deal for Nature






Our Planet Our Business






School Activities

Learn how your school can help spread the Earth Hour message


Earth Hour began in 2007 in Sydney, Australia and is the largest collective environmental movement in the world


Visit our international website and check out Earth Hour across the globe