In this aerial view the 'Sycamore Gap' tree on Hadrian's Wall lies on the ground leaving behind only a stump in the spot it once proudly stood, on September 28, 2023 northeast of Haltwhistle, England. The tree, which was apparently felled overnight, was one of the UK's most photographed and appeared in the 1991 Kevin Costner film "Robin Hood: Prince Of Thieves."

An Untimely Death at Sycamore Gap

The outcry over the violent felling of a beloved tree in 2023 affirms the power trees hold in our cultural memory.
Eco friendly cleaning products

Toxic? But It Has a Leaf on the Label!

Is it possible to produce common household products that are sustainable and safe?
A stylized vector cartoon of a hand putting coins in an Earth shaped money Box

Debt-for-Nature Swaps: Solution or Scam?

Are debt-for-nature swaps—forgiving debt in exchange for investments in the environment—an innovative approach to debt relief or a form of recolonization?
Dramatic skies over the Arenal Volcano, Costa Rica

Central American Volcanoes Offer Clues to Earth’s Geological Evolution

Along 1,100 kilometers, from Mexico to Costa Rica, lies the Central American volcanic arc, where the variety of magma types make for a geological paradise.
Naomi Klein

Naomi Klein: We Are Sleepwalking toward Apocalypse

Klein talks about her new book, On Fire: The Burning Case for a Green New Deal, and the youth movement for climate action.
Rosalind Franklin

Seven Beautiful Illustrations of Women Scientists You Should Know

When we talk about inspiring girls to study STEM, do we also consider how important it is to ...
Humpback whale

Why Have Whales Come to New York City?

What brought whales to the city? It’s a tale of water quality, plankton, and an unassuming but vital fish called the menhaden.