Lake Powell is situated in Arizona and Utah along the Colorado River.
This GIF traces surface-area changes in Lake Powell from March 2018 to March 2022.
The yellow line marks the shore outline from 2018.
A yellow outline appears at the end to illustrate how much the water has retreated in just four years.
Lake Powell’s lowering levels are one symptom of the larger, human-caused climate crisis.
AnIPCC report in Februarypainted a grim picture for a planet “clobbered by climate change.”
The IPCC is the United Nations' chief climate science organization.
Satellite images of drought-stricken lakes highlight the threat to water supplies used for people, agriculture and hydroelectric power.
