The first clear ice of fall on an Alaskan lake captures methane that all summer long has bubbled from the bottom mud. In spring it will be released into the air. As permafrost melts, new lakes are forming all around the Arctic.
“In March, due to a natural phenomenon, Siberia’s Lake Baikal is particularly amazing to photograph. The temperature, wind and sun cause the ice crust to crack and form beautiful turquoise blocks or ice hummocks on the lake’s surface.”