Earth Day 45

First organized in 1970, Earth Day is a day set aside to remember and appreciate the Earth's environment, and our responsibilities and roles within it. On April 22 we observe the 45th annual Earth Day, and though many things have changed for the better, environmental challenges remain. In the past 45 years, the population of the Earth has doubled—75 percent of the people alive today were born after 1970—and the increased demand on our limited resources makes sustainable solutions even more important. Collected here are 45 images of our world from recent years, each a glimpse into some aspect of our environment, how it affects and sustains us, and how we affect it.

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Most Recent

  • Kirsty Wigglesworth / AP

    Photos of the Week: Water Forest, Royal Barge, Abandoned Boxers

    A caged Nativity scene in California, the new prime minister of Finland, “big air” in Beijing, a volcanic eruption in New Zealand, Christmas lights in Philadelphia, and much more

  • Borut Zivulovic / Reuters

    A Visit From Krampus—Saint Nick’s Dark Companion

    While tales of Saint Nicholas feature him bringing gifts to good boys and girls, ancient folklore in Europe’s Alpine region also speaks of Krampus, a frightening beastlike creature who looks for naughty children to punish in horrible ways—or possibly to drag back to his lair in a sack.

  • 2019: The Year in Volcanic Activity

    Out of an estimated 1,500 active volcanoes, 50 or so erupt every year, spewing steam, ash, toxic gases, and lava.

  • Goran Tomasevic / Reuters

    Photos of the Week: Wayward Tee, Pollution Pod, Windy Wall

    Christmas lights in New York City, fall colors in Japan, a sandy traffic jam in Miami, the Tactual Museum of Athens, a Santa run in Glasgow, and much more