Climate change is already making a small proportion of tropical tree leaves so hot that their photosynthetic machinery bakes and breaks, according to new research. Although only a small proportion ...

For example, some tropical forests contain more than 250 tree species per hectare. However, how hundreds of species coexist on relatively small spatial scales remains a question.

Trees stop making food for themselves when they get too hot, a new study shows. If tropical air temperatures reach 116 degrees Fahrenheit, a lot of the rainforest could die. This is the first ...