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 ...

Q. My family and I went to this cool drive-through park where you can buy treats to feed wild animals. They come right up to your car! So, I rolled my window down as a llama was coming toward the car.

North Atlantic right whales are among the most endangered mammals on Earth.A new study gives researchers a better understanding of these whales' health -- through their spit.

Q. My family and I went to this cool drive-through park where you can buy treats to feed wild animals. They come right up to your car! So, I rolled my window down as a llama was coming toward the car.

CNN — (CNN) — Hottest day, hottest week, hottest month, and – increasingly likely – hottest year; 2023 has garnered unwanted records as the climate crisis escalates. Animals, like humans, are greatly ...

(CNN) — Hottest day, hottest week, hottest month, and – increasingly likely – hottest year; 2023 has garnered unwanted records as the climate crisis escalates. (CNN) — Hottest day, hottest week, ...