PORTSMOUTH — Environmental group leaders are working with Portsmouth residents to help solve the city’s urban heat problem, including by mapping the city’s hot spots, planting hundreds of new trees ...

Urban trees often stand at the center of plans to fight rising city temperatures. Their cooling power seems simple and effective. But new research shows that the truth is more complex. Trees do cool ...

Oregon’s tree population is about to get a lot larger. The state this week received more than $58 million in federal funds aimed at increasing tree canopy in community spaces and neighborhoods that ...

A forest with high tree-species diversity is better at buffering heat peaks in summer and cold peaks in winter than a forest with fewer tree species. This is the result of a study led by researchers ...

Dan Lambe is the Chief Executive of the Arbor Day Foundation, an organization founded in 1972. Under Dan’s leadership, the Foundation has grown to become the largest nonprofit membership organization ...

A summer of heat waves illuminates a growing global warming concern: Cooling is becoming a requirement, not a luxury. By Evan Bush Photography by Gaia Squarci Rising temperatures are sending demand ...

A recent study examined changes in tree canopy cover around California schools. The observed declines could put kids at higher risk of heat stress. When you purchase through links on our site, we may ...