Researchers have found almost identical patterns of tree diversity across the world's tropical forests. The study of over one million trees across 1,568 locations found that just 2.2% of tree species ...

A new global survey of 1000 forest areas shows how climate change since the peak of the last ice age has had a major impact on the diversity and distribution of tree species we see today. The results ...

It sounds unbelievable, but every tree on the planet, from ancient mountain pines to the flowering ornamental trees growing in city parks, belongs to just three major categories. Despite the thousands ...

Find your perfect match—whether you're worried about managing your allergies or keeping those heavy vintage ornaments from drooping. onurdongel/Getty Images There's more to Christmas tree shopping ...

The latest Emissions Gap Report by the UN shows that the world has to cut current emissions by 45% to avoid reaching the dreaded 1.5 degrees temperature rise. According to the report, the signatories ...

Summers in Boulder are hot and getting hotter. But the large trees that occupy the city’s parks, yards and green spaces can provide a welcome patch of shade for pedestrians, critters and understory ...

In 2000, a group of STRI botanists collected samples of all the plants from the genus Clusia they could find in Panama to ...