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U.N. supports World Environment Day with new anthem

See the earliest known footage of a solar eclipse

Commuters turn to bicycles during transportation strike in Netherlands

Doorbell security cameras capture the best wildlife moments

Hungry bear climbs 25 feet up to an osprey nest looking for lunch

'Grumpy Cat' wasn't so cranky after all

How does a sloth say 'Thank you'?

Get face to face with wild African lions

5 things you didn't know about the weirdly majestic basking shark

Jim Fowler of 'Wild Kingdom' dies at 89

Walk between the Smokies on North America's longest pedestrian suspension bridge

Did you miss the Eta Aquarid meteor shower? Problem solved

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