Research reveals that planting trees cools megacities, but in dry climates, it may increase temperatures instead.

Tree planting in city centres needs to "go harder and go faster" in order to help keep them cool ahead of future deadly heatwaves, an expert has said. Scientists working on the problem have said ...

Planting more trees can help cool the planet and reduce fire risk—but where they are planted matters. According to UC Riverside researchers, tropical regions provide the most powerful climate benefits ...