Climate change is threatening Christmas tree crops, according to North Carolina State University researchers, who are working to make trees more resilient through genetics. "We're developing trees ...

The distinctive scent of fir trees is appealing to consumers and may also help repel pests and deer. UC Davis biologists are taking part in a new project to study how trees make these scents and to ...

Steve Ottman was born to sell Christmas trees. Ottman, 73, said his family has been growing the holiday staple in Wisconsin since the Great Depression. But now his 50-acre Christmas tree farm just ...

Tracy J. Wholf is a senior coordinating producer of climate and environmental coverage for CBS News and Stations, based in New York. People around the world are adorning homes and businesses with ...

Pests are ravaging keystone species like ash, elm, and beech. But researchers are breeding the survivors into more resilient populations. Port Orford cedar trees in Redwood National Park that were ...