American cacti are rapidly colonizing the slopes of the Swiss Alps as snow disappears, says report

• Prickly pear cacti, native to the arid regions of the Americas, are now thriving in the Swiss Alps. 
• The plants are typically seen in hot, dry areas, such as the Grand Canyon. 
• "This invasive and non-native plant is not welcome," said the municipality of Fully in Switzerland.

Prickly pear cacti, which normally appear in hot, dry climates such as the Grand Canyon, are invading the Swiss Alps in a new climate change warning