From March through Earth Month in April, we are aiming to reach 125,000 hours of collective action. Explore impactful activities that align with your interests using our online tool, pledge your hours, and become a part of a national and global movement to create a more sustainable future.

Earth Hour is moment of unity that brings the world together, shines a spotlight on nature loss and the climate crisis, and inspires millions more to act and advocate for urgent change. Each year, we work together to turn a single Earth Hour into thousands and millions of hours of action for our one shared home.

Earth Hour is a worldwide movement organized by the World Wildlife Fund (WWF). The event is held annually, encouraging the individuals, communities, and businesses to give an hour for Earth, and additionally marked by landmarks and businesses switching off non-essential electric lights, for one hour from 8:30 to 9:30 p.m., usually on the last ...

2024年3月20日 · On March 23rd at 8:30 pm local time, WWF’s Earth Hour will return to unite millions worldwide in support and celebration of our planet. In an increasingly divided world struggling with the impacts of climate change and biodiversity loss, Earth Hour provides much-needed positivity, inspiration, and hope.

For Earth Hour and Earth Day 2024, we called on you to devote an hour or more of your time to Earth – giving back to the planet that gives us so much. We recorded over 105,106 hours of positive action for the planet, creating the biggest hour for Earth!

By calling on our supporters across the globe to switch off their lights and give an hour for Earth, spending 60 minutes doing something - anything - positive for our planet.

WWF’s Earth Hour is one of the world’s largest grassroots environmental movements. It brings the world together, shines a spotlight on the climate and nature crisis, and inspires people to act and advocate for urgent change. Why is it so important? Our world needs our help.

Earth Hour, organized by WWF, is a global grassroots movement uniting people to take action on environmental issues and protect the planet. Engaging a massive mainstream community, Earth Hour was famously started as a lights out event in Sydney, Australia in 2007.