The past decade has brought the dangers of climate change into sharp relief, often most clearly through images.
In the
Arctic, scientific expeditions this year discovered increasingly thin ice and surprisingly open shipping routes. Higher up, photographers documented the disappearance of glaciers, includes some in South America and the Himalayas that provide fresh water to billions of people. On lower lands, drought threatened crops and lives from
China to Kenya,
Australia to California.
Here’s a look at some of the most worrisome environmental changes through the lenses of scientists, satellites, explorers and humanitarians.
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