Earth Hour 2021 will be observed on Saturday to spread awareness about climate change. The event is an initiation of the World Wildlife Fund (WWF). Every year, Earth Hour is commemorated annually on the last Saturday of the month of March. The symbolic lights-out Earth Hour began in 2007 in Sydney. On the other hand, the world continues to battle the novel coronavirus disease (COVID-19) health crisis. We have seen the worst. We must not forget , India is also home to 21 of the world’s 30 most polluted cities.


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Firstly, switch off all non-essential lights and electronic appliances to conserve energy. Secondly, you can switch off the lights for an hour from 8:30 pm to 9:30 pm.

According to,  “Earth Hour is more than the symbolic switching off of lights — it is about embracing clean technology innovations that minimize damage to the environment. In the long run, these will not only help address the challenge of climate change but also bring about tremendous improvements in local air quality.”


The earth hour is considered an urgent action to reverse nature loss and secure a nature-positive world. Most importantly, Earth Hour will be celebrated by people around the world to bring in transformative changes for biodiversity conservation.

People can take part in many other virtual events as well. Click here to track the events organized on the occasion near you.

Significance of Earth Hour:

According to, Earth Hour aims to increase awareness and spark global conversations on protecting nature not only to combat the climate crisis, but to ensure our own health, happiness, prosperity and even survival.

Ten Simple Things You Can Do to Help Protect the Earth:
  1. Reduce, reuse, and recycle.
  2. Volunteer for cleanups in your community
  3. Educate
  4. Conserve water
  5. Choose sustainably
  6. Shop wisely
  7. Use long-lasting light bulbs
  8. Plant a tree
  9. Use eco-friendly things



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