Their study analyzed three groups of trees over the last two decades. Scientists make astonishing discovery about how trees have memories — here's the one that helps them survive first appeared on The ...

Heat waves are among the world's deadliest weather hazards. Every year, vast numbers of people are killed by heat stress and ...

Salt River Project, with aid from corporate, government and nonprofit partners, is thinning Arizona forests to prevent wildfires and save water.

In November, SRP’s water and forest sustainability manager ... though some acres exceeded 1,000 trees. The Forest Service prescribed thinning to 50 to 100 trees per acre, depending on the ...