Plants with more leaf surface area and complex shapes and forms, such as Polystichum vestitum (prickly shield fern), are more ...

The basics of photosynthesis are something that every student learns in school: carbon dioxide, water and light in; oxygen ...

A Kenyan environmentalist hugged a palm tree for 72 straight hours in Nyeri county to draw attention to the rapid loss of the ...

Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals. Earth's seasonal cycles can vary dramatically across short distances, even at the ...

Ancient life-sized rock art found in northern Arabia reveals how early people marked water, routes, and resources across the ...

I write short obituaries for people who spent their lives protecting parts of the natural world. I work on them in the margins of other responsibilities, yet they have become a constant. In 2025, I ...

Bending Without Breaking This year’s annual Sustainability Issue addressed the challenges posed by our changing climate – ...