The American sycamore (Platanus occidentalis) is a massive tree that can attain the largest trunk diameter of any eastern United States hardwood. The native sycamore has a broad, outreaching canopy.

Catie Leary writes and curates visual stories about science, animals, the arts, travel, and the natural world. Stretching along the west coast of North America from northern California to Alaska, the ...

Michael Graham Richard is a writer from Ottawa, Ontario. He worked for Treehugger for 11 years, covering science, technology, and transportation. A recent U.S. Environmental Protection Agency report ...

Angela Nelson is a Pulitzer Prize-winning digital editor and storyteller who covered a variety of general interest stories on MNN (now part of Treehugger) from 2014-2019. Sand dollars' star-stamped ...

Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. With their sweet teddy bear faces and wooly charm, babydoll sheep ...

Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." The cauliflower ...

Sidney Stevens is a writer and editor for magazines, websites, and books, with a focus on health and environmental issues. On December 19, 2014, an undersea volcano called Hunga Tonga-Hunga Haʻapai ...

Earth's climate zones—the horizontal belts of different climates that encircle the planet—consist of tropical, dry, temperate, continental, and polar zones. These major climate zones exist thanks to ...