Earth Day is here, and it's a chance for us to think about sustainability choices and our planet. There are many eco-friendly brands are celebrating this day by offering exceptional deals on ...

When I was a child, I visited the village in India where my father grew up. As we strolled down dirt roads, he reminisced on his barefoot youth. I don’t remember much of what he said — I was too busy ...

Did you know that the current CO2 concentration in the Earth's atmosphere has peaked in the last million years? A further ...

Researchers evaluated five geoengineering concepts proposed for Earth’s polar regions and found them to be “environmentally ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Earth Day is on April 22, but really, it should be every day. After all, saving the planet should be a daily occurrence, right?!? From conservation to wildlife to politics, test your environmental and ...

What the space agency is really doing that mirrors the Hollywood movie plot. — -- Could the plot of the movie "Interstellar" happen in real life -- both the catastrophe or the solution? In the ...

The Colorado Supreme Court is allowing my hometown of Boulder to sue oil-and-gas companies over their culpability in climate change. It’s about time. I wish Boulder nothing but success. It is my hope ...