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Earth Hour 2021

What is Earth Hour?

Earth Hour is WWF’s flagship global environmental movement. Born in Sydney in 2007, Earth Hour has grown to become one of the world’s largest grassroots movements for the environment, inspiring individuals, communities, businesses and organizations in more than 180 countries and territories to take tangible environmental action for over a decade. Historically, Earth Hour has focused on the climate crisis, but more recently, Earth Hour has strived to also bring the pressing issue of nature loss to the fore. The aim is to create an unstoppable movement for nature, as it did when the world came together to tackle climate change. The movement recognizes the role of individuals in creating solutions to the planet’s most pressing environmental challenges and harnesses the collective power of its millions of supporters to drive change.

Past Events

Earth Hour 2020

Earth Hour Goes Online this year! On Saturday, 28 March, Earth Hour, one of the world’s largest grassroots movements for the environment, will once again inspire individuals, businesses and organizations in over 180 countries and territories to renew their commitment to the planet.   In the midst of the global

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Earth Hour 2019

With over 200 Scouts and 41 young adult volunteers joining, Earth Hour was a great success! As many hands were needed for this Event, it was enriching to have so many celebrate this important event. Earth Hour is a World Wide Fund for Nature (WWF) global environmental movement to help

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Earth Hour 2018

It all started in Sydney, Australia as a single city event in 2007. Earth Hour hopes to engage hundreds of millions of people worldwide to take action and understand the interconnectivity of people and our environment (biodiversity/Earth and its impact on climate change and vice versa) through relevant issues such

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What can scouts do?

As scouts, we believe that we can make a difference wherever we go! Even your own home there is a lot you can do for the environment!


With the launch of the Earth Tribe, we encourage all scouts to take individual action and learn more about ways you can advocate for better choices and be a champion nature and biodiversity. 


First, everyone is encouraged to simply switch off non-essential lights on 28 March from 8:30-9:30 PM (in your local timezone). 

Other activities to do at home!


Switch off your lights

This is the DNA of the Earth Hour movement and the easiest way to participate this Earth Hour. Simply switch off all non-essential lights for an hour!


Brew Your Own Kosong Plan!

The Singapore Kosong Plan is a commitment that brings businesses, organisations and individuals together to help achieve a low carbon, climate-resilient Singapore. To do this, we need net-zero emissions by 2050.


As an individual or business, you can start today by making your own Singapore Kosong Plan!


Join the #EarthTribe

The Earth Tribe Initiative and its Challenges specifically seeks to address environmental and sustainability issues such as climate change, promoting the development of sustainable habits towards an eco-friendly and healthy lifestyle, and connecting with nature to protect it sustainably.


Do activities in the Earth Hour Action Kit!

WOSM has collated a series of fun activities you can do with your friend or family this Earth Hour! Find out more about the activities!

Areas and Units are able to administer the Earth Hour + Earth Tribe action kit on their own.

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Latest News and Stories

Earth Hour 2022

This Earth Hour YOU’VE GOT A DATE WITH NATURE! Prepare for Your Date What is Earth Hour? Earth Hour is WWF’s flagship global environmental movement.

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Guidelines Updated

Some of the initiatives and challenges’ guidelines might have been updated since your last visit. Please make sure you are referring to the latest version of the guidelines.