United States Forest Service

Many ski resorts operate in America's public forests. How they cut their runs can affect how beautifully the forest recovers, should the lodge ever go out of business.

• By Francie Diep

While there’s no crystal ball for forecasting wildfire, experts have come to expect fiercer and more frequent blazes year after year.

• By Alisa Opar

Having less water affects trees' carbon intake, sap production, and more.

• By Francie Diep