A composite photo from NASA showing the Okjokull Glacier in West Iceland taken on September 7, 1986 (left) and on August 1, 2019. Okjokull has melted so much that it has technically not been a glacier since 2014. Iceland decided to build a memorial to the glacier this month to raise the awareness about climate change. (Photo/IC)
A handout photo by NASA showing the Okjokull Glacier in West Iceland on Thursday, August 1, 2019. (Photo/IC)