ANN ARBOR—A new analysis of more than 20,000 trees on five continents shows that old-growth trees are more drought tolerant than younger trees in the forest canopy and may be better able to withstand ...

Planting a tree may seem like a monumental task compared to a small plant, but this beautiful flowering tree yields quick ...

A new study finds that tree growth does not seem to be generally limited by photosynthesis but rather by cell growth. This suggests that we need to rethink the way we forecast forest growth in a ...

Joan Maloof is the founder and co-executive director of the Old-Growth Forest Network, a 10-year-old national nonprofit that has identified and protected 165 old-growth forests across the U.S. On ...