A novel private plan in the late 1980s helped set the stage for planting trees as a means to sequester carbon emissions.

The Netherlands allows medically assisted euthanasia for extreme mental suffering. Some doctors question the guardrails.

The first of five large dam projects under consideration has been approved, despite environmental and social costs.

Biostatistician Jeffrey Morris says effective dialogue requires an awareness of how politics shape a person's beliefs.

More than three years have passed since federal health officials arrived in central Appalachia to assess an alarming outbreak ...

News features, investigations, and other deeply reported journalism from Undark's contributors.

Recent studies implicate the immune system and a herpes virus as potential contributors to development of the disease.