Some ideas are like burrs stuck in your boots. If you don’t stop and deal with them, they will keep on troubling you.
A new, high-resolution analysis of satellite images reveals that in the Brazilian Amazon, as much forest is lost to selective logging as to outright deforestation, such as clearcutting or bu
Deer overpopulation is blamed for a host of ecological woes, from wildflower losses to songbird declines.
The conventional wisdom that nitrogen pollution threatens biodiversity may be wrong. Rather, the culprit might be too much phosphorus.
New research shows that highways have reduced the genetic diversity of desert bighorn (Ovis canadensis nelsoni) sheep in southern California.
Biodiversity could help control West Nile virus (WNV), an untreatable disease that can spread from wild birds to people.
New research shows that chloride levels are rising so fast that many streams in the northeastern U.S. could be toxic to sensitive freshwater life by the next century.
Not all biodiversity hotspots are equal.
New standards require projects to save more than just carbon.
Smithsonian ornithologists delve deep into the concrete jungle.