In Tucson, Arizona, Brandon Merchant is leading a unique project to cool down the city's hottest neighborhoods and combat hunger by planting food-producing trees. The creation of "food forests" on the ...

It's big, imposing and beautiful, no doubt. But what is one velvet mesquite worth? About $185,000, say arborists and other tree experts on a city of Tucson advisory committee. This tree was the ...

Open the door to the Tumacacori Mesquite Sawmill gallery in the rural, rolling hills of Santa Cruz County, Arizona, an hour south of Tucson, and a soft aroma wafts out. “I think it smells a little ...