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Threats from fire, drought and insects could reshape U.S. forests.

Fundamental questions remain about what factors limit tree growth. A new study may hold answers.

If you live with seasonal allergies and feel like the pollen seasons feel longer and longer every year, you may be right.

Use of forests to offset carbon emissions requires an understanding of the risks

New research led by U biologists finds that some plants and trees’ water use can make droughts more intense.