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More than a billion people worldwide celebrate Earth Day to help our planet from global environmental problems like deforestation. Earth Day takes place on April 22 annually. Each year it has a different theme, and...

 

In 2023, the theme was "Invest in our Planet." This Earth Day was mainly focused towards governments, businesses, and institutions, but anyone could join to help. The general goal was to dedicate more time, energy, and resources to tackling the climate crisis and rebuilding a sustainable, green economy. 5,437 registered EDO events were recorded on the official Earth Day map, marking the most events ever recorded! Find out more about Earth Day 2023 here, and the results of it here.​​

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In 2024, the theme was "Planet vs. Plastics". The 54th environmental campaign prioritized advocation of the global issue of plastic pollution. The long-term goal for this year was to achieve a 60% reduction of plastics by the year 2040, and an ultimate end to single-use plastics worldwide. Common local initiatives included community litter cleanups, mass tree-planting drives, educational workshops, and street demonstrations calling for systemic policy changes. Find out more about Earth Day 2024 here.

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In 2025, the theme was "Our Power, Our Planet". This Earth Day aimed to accelerate the global shift away from fossil fuels, and ultimately triple global renewable energy generation by 2030. Communities, businesses and governments built towards this goal through renewable energy expansion, replacing fossil fuels with wind, solar, geothermal, and hydroelectric infrastructures. Find out more about Earth Day 2025 here.

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In 2026, the theme was, again, "Our Power, Our Planet". While the previous year  focused more on transition technologies among governments and nations, 2026 pivoted to local environmental solutions. This Earth Day also introduced the 25% Revolution, an idea based on a study in the journal Science: when 25% of a population actively commits to a new social norm (such as sustainable living), it triggers a critical tipping point that converts the majority. Find out more about Earth Day 2026 here.

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If you want to learn more about Earth Day in general, explore Earth Day's official website. For a more easy-to-understand way, you can visit National Geographic Kids or twinkl. These websites do include ways you can help our planet, but here are some more ideas: