The first Arbor Day in the US was held in 1872. Since then, the event has really taken root. On the last Friday of April, people across the country mark the occasion by planting trees, often dedicating them to a loved one. It"s also a great day to celebrate trees themselves. As well as providing homes for countless species of animals, trees absorb carbon dioxide and clean the air we breathe. They also help to keep cities cooler and can even play a role in preventing floods.
Arbor Day
Today in History
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Birds of a feather
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Celebrating sea otters
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It s tree-climbing season
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Let s run em up!
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Ruins of St. Dwynwens Church, Ynys Llanddwyn, Wales
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Yellow-eyed penguins, Moeraki, New Zealand
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National Take a Hike Day
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Celebrating National Park Week, April 21-29
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Up in the Highlands
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A wild, craggy corner of the United States
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Holey moley–it’s National Doughnut Day!
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Drop in on International Surfing Day
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Northern hawk-owl
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Glacier cave in Iceland
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Sunburst at Angkor
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We have liftoff!
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A predator at risk
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Winter at Valley Forge
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Great Fountain Geyser, Yellowstone National Park, Wyoming
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Sky island views
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Heceta Head Light, Florence, Oregon
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Cecil Brewer Staircase, London
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World Meteorological Day
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Adorable activism
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Looking for peace on the precipice
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Dancing waters of Dubai
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Yabba-Dabba-Doo!
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Mildred B. Cooper Memorial Chapel in Arkansas
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Staring down winter
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Flamingos of the Chilean desert