A snow squall storm building up over Humphrey's Peak. Viewed from O'Leary Peak in the Coconino National Forest of Arizona. Adjacent to Sunset Crater National Monument.

Indus River valley seen from the village of Stok, around Leh, Ladakh region, state of Jammu and Kashmir, India, Asia

Yurutse valley near Rumbak village, Hemis National Park, Ladakh region, state of Jammu and Kashmir, India, Asia

Andes mountains, Maras, Sacred Valley, Urubamba Province, Cusco (Cuzco) Region, Peru, South America

Colombe pass, toward Lucomagno region, Canton Ticino, Switzerland

Scuro lake in spring, Val Piora, Canton Ticino, Switzerland

Climate change is leading to earlier snow melt in the spring on the Sierra Nevada mountains of Andalucia, southern Spain, Europe