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 ...

From frogs and sponges to jellyfish and tardigrades, scientists reveal how some animals digest food without defecating, ...

(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 ...