Protesters and fans alike crowd in to greet King Charles III and Queen Camilla during their official visit to Canada on May, 26, 2025, in Ottawa, Canada. (Chris Jackson / Getty Images) ...

9. Save the seas, trees and the bees. 10. A clean Earth is a happy Earth, so let's all do our part. 11. Let's clean up our act—and the planet. 12. Hug a tree today. 13.

Keep Calm and Carry on With the Anthropocene Geologists may have voted down formal recognition of the Anthropocene as a geological epoch, but we still need to act to prevent ecological crisis.

And with the "keep calm and carry on" motto of England in mind, we also asked what keeps them going when things get tough. Their answers have been edited for length and clarity ...

University President Christopher Eisgruber ’83 advised the campus community to “Keep Calm and Carry On” and offered other World War II-era words of advice at the Council of the Princeton University ...

26. Shout out to the planet. You keep me grounded. 27. Go short tree, it's your Earth Day! 28. Being environmentally conscious is always in style. 29. Keep calm and save the planet. 30. Hey Earth ...