More trees will cool the climate and suppress fires, but mainly if planted in the tropics, according to a new UC Riverside study. 

The study, published in npj Climate and Atmospheric Science, found that tree planting is generally a net positive for the climate because it helps pull warming carbon out of the atmosphere. However, local effects on temperature not related to carbon varied significantly by region. At higher latitudes, trees could have a slight heating effect, while the opposite is true in the tropics.

Read more.