SAN FRANCISCO (KGO) -- At Clancy's Christmas Trees in San Francisco's Inner Sunset neighborhood, two holidays meshed perfectly together on Thursday. With a little holiday cheer and even singing ...

One of the locations that gets the most trees, Sunset Park, recycled around 2,000 trees last year. By 5 p.m. Thursday, there were a total of four people at that location.

A University of Louisville professor is studying the effects of lighting on trees. "We've been working in the rainforest for about 30 years now," Steve Yanoviak said.

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. By Amy Burger Special to the Post-Dispatch Dec 19, 2016 Dec 19, 2016 0 When most people think of Christmas trees, they think ...