From its 1970 origins to a global movement, Earth Day 2026 highlights the power we all have to protect our planet.

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 ...

Earth history, as a scientific topic, encompasses the reconstruction and analysis of the planet’s physical, chemical, and biological evolution from its formation ~4.54 billion years ago to the present ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

Early Eocene forest, Wyoming, U.S. Illustration by Julius Csotonyi, Smithsonian Institution Pollinators play a vital role in fertilising flowers, which grow into seeds and fruits and underpin our ...

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 ...