Against the backdrop of Arctic warming, polar bears in Norway’s far north are gaining fat and feeding on new prey—a testament ...

A new global life-cycle analysis finds that if not properly disposed of, biodegradable plastics could increase methane ...

In a world starved of energy but brimming with people and the waste they produce, putting the waste to good use seems sensible. Take wastewater: the organic materials present in wastewater can be ...

By removing meat subsidies or taxing carbon across all foods, researchers uncovered how small changes in price could unlock ...

Three-in-one strategy uses only carbon dioxide and water to recover 95% of lithium and reuses leftover metals, capturing CO2 ...

New evidence suggests that conserving forests, wetlands, and soils is critical not just for biodiversity, but for sustaining ...

A massive global study finds cities can deliver millions of new homes without exhausting the world’s carbon budget—if they abandon carbon-intensive construction norms.

Researchers have built the first refrigerant-free system to reach sub-zero temperatures, a breakthrough that could reduce ...

Last July, zoo officials in Nuremberg, Germany took the unusual step of killing a dozen healthy, captive baboons. The move, aimed at dealing with overcrowding, sparked protests and worldwide headlines ...