FILE- In this Sept. 27, 2019 file photo, exile Tibetan school children carry posters as they join worldwide demonstrations calling for action to guard against climate change in Dharmsala, India. After examining satellite images, scientists believe that Sunday's Himalayan floods in northern India were linked to a landslide and an avalanche. It is still unclear what the exact cause is, but climate change is likely a factor, experts say. (AP Photo/Ashwini Bhatia, File)