Earth Day 50

Earth Day was first organized in 1970 to remember and appreciate the environment, and our responsibilities and roles within it. On April 22, 2020, we observe the 50th Earth Day, and though many improvements have been made, environmental challenges remain. In the past five decades, the population of the Earth has more than doubled—more than 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 31 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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  • Yiorgos Karahalis / Reuters

    A Traditional Easter Rocket War in Greece

    Images of a friendly, traditional “war” between two churches, where members of each church launch rockets at the other.

  • Howard Ruffner / Getty

    When the National Guard Arrived at Kent State, Images From 1970

    Photographs from a pivotal day in American history

  • ESA, NASA, CSA, STScI

    Photos of the Week: May Day, Campus Protests, Snake Festival

    Devastating floods across Kenya, a pagan fire festival in Scotland, antler gathering in Wyoming, pro-Palestinian demonstrations at many American colleges, and much more

  • John Ricky / Anadolu / Getty

    Photos of the Week: Wheelbarrow Race, Count Binface, Orange Skies

    A volcanic eruption in Indonesia, a tilting tower in Taiwan, the Tokyo Rainbow Pride Parade in Japan, protests opposing Israel’s attacks on Gaza in the United States, and much more