Electronic noses sniff out volatile organic compounds

Volatile organic compounds (VOCs) are chemicals emitted as gases that can have adverse health effects. They are often found in paints, pharmaceuticals, and refrigerants, among other common products, but they can also act ...

Forest mortality and climate change: The big picture

Over the past two decades, extensive forest death triggered by hot and dry climatic conditions has been documented on every continent except Antarctica. Forest mortality due to drought and heat stress is expected to increase ...

A new tool for deforestation detection

Every second, the planet loses a stretch of forest equivalent to a football field due to logging, fires, insect infestation, disease, wind, drought, and other factors. In a recently published study, researchers from the U.S. ...

Plant-nibbling insects may make it cloudier and cooler

Plants can release certain chemicals to shield themselves from high temperatures and potentially communicate with other plants. They also release these chemicals in response to stress, including when insects chomp on their ...

Drought affects aspen survival decades later, new study finds

Drought—even in a single year—can leave aspen more vulnerable to insect infestation and other stressors decades later, a new study by NAU researchers found. Aspen trees that were not resilient to drought stayed smaller ...

Poland EU row over ancient forest heats up

Poland is ready to take a dispute with the European Union over logging in an ancient forest to the bloc's highest court, Environment Minister Jan Szyszko said Friday.

page 1 from 2