Desert ecosystems are some of the most richly diverse in the world and yet they are one of the most threatened ecosystems on the planet. Deserts, which account for one-third of the earth’s land mass, ...

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 ...

Caleb Durden, founder of DESERT° CORPORATION, is a technologist whose work is shaped by years spent exploring the landscapes of Arizona and the broader Southwest. According to Durden, his earliest ...

In dryland ecosystems, increased environmental stress often triggers a change from a uniform vegetation cover to patchy ...

Botswana's fertile Okavango Delta is one of the last remaining high-biodiversity ecosystems in the world, home to cheetahs, African wild dogs, baobab trees, crocodiles, termites and owls that catch ...

(CNN) — Inside a Mojave aster flower, a tiny bee is fast asleep. At night, the pale lavender petals close, providing a safe resting place. In the morning, as birdsong rings out across the desert, the ...