Researchers have found significant impacts of climate change on the Himalayan glaciers. The glaciers in the Mount Everest region have shrunk by 13% over the last 50 years. Additionally, the snowline has shifted up by 590 feet. Smaller glaciers under 1 square km have declined 43% in surface area since the 1960s. Researchers believe increased melting is due to declining snowfall since the 1990s and human-caused climate change. The rapid disappearance of these ice structures has serious implications for water supplies in South Asia, where millions depend on glacial meltwater for irrigation and drinking.