Earth Day 2025 2024 2024 In. In 2024, we persuaded millions of you to stand up to plastics’ harmful impact on human health with planet vs. Sign, plant, clean, and learn how to make a lasting impact!

Why it happens “the december solstice occurs because the earth is tilted on its axis by about 23.5 degrees relative to its orbit around the sun,” said balaji. On april 22nd, 2025, earth day will turn 55, with 192 countries and over one billion people around the globe expected to participate.