This week, we learned …
… China just returned a 116 million-ton problem to the rest of the world.

Photograph by Gary Miller, Environmental Protection Agency, courtesy the National Archives
Planet or plastic? Take the pledge.
… rising bedrock may delay the collapse of the Antarctic ice sheet.

Photograph by Maria Stenzel, National Geographic
How does ice “melt from below”?
… every day, coastal condors soar more than 100 kilometers—and over the Andes.

Photograph by Pedro Szekely, courtesy Wikimedia. CC-BY-SA-2.0
How far do California condors fly for food?
… our universe is greasy and smells like mothballs.

Photograph by ESA/Gaia/DPAC
Use our activity to construct a comet and deal with greasy (interstellar) kid stuff.
… how to cook (and eat) like ancient Babylonians.
So, the Babylonians developed a “proto-borscht.” Did they develop proto-trigonometry, too?
… scientists and librarians are working with antique wax cylinders to save Native American voices.
How are Native Americans saving their living languages?
… tropical forests suffered near-record tree losses in 2017, but urban forests are storing almost as much carbon.

Photograph by Simon Roberts, National Geographic
Find ideas for enjoying urban forests and other big-city nature spots with our idea set.
… where the most sustainable country in the world is.

Learn how students are combining sustainability and innovation in projects all over the world.
… most people can tell a real laugh from a fake one.
Can your students pick up on unspoken social and emotional learning cues?
… the empty significance of the straw.

Photograph by rkit, courtesy Pixabay. Public domain
Join the One Less Straw campaign.
… where the 11 most endangered historic places in the U.S. are.

Photograph by Dr. Michael Izard-Carroll, courtesy U.S. Army