Millions of people around the world will pause Wednesday, at least for a moment, to mark Earth Day. It's an annual event ...

From its 1970 origins to today’s climate action, here’s why Earth Day is observed each April 22 and what the day represents.

Here's what to know about Earth Day 2026 and how the holiday came to be.

Fifty-six years after the first one rallied 20 million people across America, “we need to do things that make us feel more ...

Millions of people around the world will pause on Tuesday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

World Earth Day highlights environmental protection and sustainability. Read about World Earth Day 2026 theme, history, and ...

Earth Day 2026: History of the global movement fighting for our planet - Millions of people around the world will pause on ...

Fresh takes on Apollo’s famous “Earthrise” and “Blue Marble” images showed off our planet’s beauty just weeks before Earth ...

Earth has never stood still. Over its 4.5 billion years of history, our planet has been reshaped by different cataclysms and climate shifts. The atmosphere went through several changes, oceans froze ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth from Space Getty Images/fotograzia Climate change deniers inaccurately claim that Earth's rapidly rising temperatures are ...

It is often seen as the scourge of modern society, littering our highways, byways and beaches. But now a new study argues that modern plastics are also a valuable archive documenting activities and ...