Some 1.5 million tourists visited Juneau aboard cruise ships this summer. Many of them visited Mendenhall Glacier, which has retreated about a mile in the past 40 years due to climate change. Wolfgang Kaehler/LightRocket via Getty Images
Some 1.5 million tourists visited Juneau aboard cruise ships this summer. Many of them visited Mendenhall Glacier, which has retreated about a mile in the past 40 years due to climate change. Wolfgang Kaehler/LightRocket via Getty Images