Gina Estrella

Written by Gina Estrella

Modified & Updated: 19 May 2024

Sherman Smith

Reviewed by Sherman Smith


World Wildlife Fund (WWF) Earth Hour is an annual global event that encourages individuals, communities, and businesses to switch off their lights for one hour as a symbol of their commitment to the planet. This unique initiative started in 2007 in Sydney, Australia and has since grown into the world’s largest grassroots movement for the environment. Earth Hour aims to raise awareness about the importance of taking action against climate change and promoting sustainable practices.

Throughout the years, Earth Hour has become an iconic event celebrated in more than 180 countries and territories worldwide. Beyond the hour of darkness, it has inspired countless individuals and organizations to make long-lasting changes to their daily lives, transforming the event into a catalyst for positive environmental action. In this article, we will explore eight captivating facts about WWF Earth Hour, shedding light on the profound impact this global movement has had in raising environmental awareness and fostering a sustainable future.

Key Takeaways:

  • Earth Hour, organized by WWF, began in Sydney and now involves millions worldwide. It’s a powerful symbol of unity and action to combat climate change.
  • Earth Hour goes beyond turning off lights, inspiring long-term environmental changes and global initiatives for sustainability. It’s a call for everyone to be stewards of the planet.
Table of Contents

Earth Hour began in Sydney in 2007.

Earth Hour, a worldwide movement organized by the World Wildlife Fund (WWF), started in Sydney, Australia. It was an initiative to raise awareness about climate change and encourage individuals, communities, and businesses to turn off non-essential lights for one hour.

Millions of people participate every year.

Since its inception, Earth Hour has grown into a global phenomenon, with millions of people from over 180 countries participating annually. It has become a powerful symbol of solidarity and a call to action for individuals and organizations to combat climate change.

Iconic landmarks participate.

During Earth Hour, many iconic landmarks across the world, such as the Eiffel Tower in Paris, the Sydney Opera House in Australia, and the Empire State Building in New York, switch off their lights. This symbolic gesture showcases the global unity and commitment towards environmental sustainability.

Earth Hour goes beyond turning off lights.

While turning off lights for one hour is the core action during Earth Hour, the movement also encourages participants to make long-term changes in their lifestyles. It promotes eco-friendly practices, such as reducing energy consumption, supporting renewable energy, and taking steps to protect the environment.

The impact of Earth Hour is significant.

Earth Hour has made a considerable impact in raising awareness about climate change. It has influenced governments to take action, led to the implementation of energy-saving policies, and inspired individuals to make environmentally conscious choices in their daily lives.

Earth Hour has evolved beyond lights.

Over the years, Earth Hour has expanded its focus beyond lights and electricity. It now includes various environmental initiatives, such as promoting sustainable transportation, reducing plastic waste, conserving water resources, and protecting biodiversity.

Earth Hour has a strong online presence.

The World Wildlife Fund leverages the power of social media to amplify the impact of Earth Hour. Through the use of hashtags, live streams, and interactive campaigns, it engages millions of people around the world, spreading the message of environmental conservation.

Earth Hour inspires action beyond the designated hour.

One of the remarkable aspects of Earth Hour is its ability to inspire long-term change. Many individuals and organizations take the principles of Earth Hour and integrate them into their daily lives, sustaining the commitment to environmental sustainability beyond the one-hour event.


World Wildlife Fund Earth Hour is a truly captivating event that brings people from all around the globe together to take action towards a more sustainable future. By turning off the lights for one hour, individuals symbolically demonstrate their commitment to fighting climate change and preserving our planet’s biodiversity. Through its various initiatives and campaigns, Earth Hour has made a significant impact in raising awareness about environmental issues and encouraging individuals, businesses, and governments to take meaningful action.

The eight captivating facts about World Wildlife Fund Earth Hour showcased its global scale, its influence on iconic landmarks, its positive impact on energy consumption, and the incredible engagement it generates on social media. It is truly a testament to the power of collective action and serves as an inspiration for all of us to make a difference in our own lives and communities.


Q: When is World Wildlife Fund Earth Hour celebrated?

A: World Wildlife Fund Earth Hour is celebrated on the last Saturday of March every year.

Q: What is the significance of Earth Hour?

A: Earth Hour symbolizes the collective effort to combat climate change and raise awareness about sustainability issues.

Q: How long does Earth Hour last?

A: Earth Hour lasts for one hour, from 8:30 PM to 9:30 PM local time.

Q: Can anyone participate in Earth Hour?

A: Absolutely! Earth Hour is a global movement that encourages individuals, businesses, and governments to participate and make a positive impact.

Q: How can I get involved in Earth Hour?

A: There are several ways to get involved in Earth Hour, such as turning off your lights for one hour, organizing local events, spreading awareness on social media, or supporting Earth Hour campaigns and initiatives.

Q: Does Earth Hour only focus on turning off lights?

A: While turning off lights is the core activity, Earth Hour also promotes sustainable practices, climate action, and biodiversity conservation throughout the year.

Q: What kind of impact has Earth Hour made so far?

A: Earth Hour has made a significant impact by raising awareness, influencing policy changes, and inspiring millions of individuals to take action for a more sustainable future.

Q: How can I stay updated on Earth Hour events and campaigns?

A: You can stay updated by following World Wildlife Fund and Earth Hour official websites and social media accounts for the latest news and updates on events and campaigns.

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