A new Yale-led study estimates that there are more than 3 trillion trees on Earth, about seven and a half times more than some previous estimates. But the total number of trees has plummeted by ...

The study, titled "How many trees are there in China?," was published in Science Bulletin. China has emerged as a pivot of ...

If long droughts and massive wildfires weren’t enough harm to California’s trees, there is massive damage being done by pests and fungi. This could contribute to more acres of record-setting ...