As we celebrate the 50th anniversary of Earth Day, travel photographer Susan Portnoy looks back on her favorite photos she's taken around the world, believing we've given our battered planet the ...

Photographers posted images of what Earth Day means to them on their favorite platforms. Copyright: © Brandon Dela Cruz Today, Earth Day was celebrated around the ...

Marking Earth Day, 11 striking images reveal the animals that are disappearing from our planet. "From the towering giraffe to the bright orange and blue rock agama to the deep-sea anglerfish that ...

The challenge, which took place in April and ran through Earth Day on April 22, saw thousands of entries from Japan to Patagonia and beyond, Nat Geo said. Among those whose photos were selected is ...

ATLANTA - April 22 is Earth Day, a day dedicated to raising awareness and demonstrating support for environmental protection. Several organizations in the metro Atlanta area participated in ...

These iconic images of our planet now include "Blue ... The image is called "The Day the Earth Smiled" because of a campaign to have Earthlings smile into the void in unison.

And not just because the images can be stunningly beautiful ... (The photograph was first featured by NASA’s Earth Observatory in their “Image of the Day” feature. For a full-size version ...

In celebration of World Environment Day, we’ve collected 50 of our most stunning photos of the natural world.