Entire regions of trees are disappearing because of invasive pests, disease and a changing climate. The key to their ability ...

Americans used to focus on the cost and reliability of electricity. Now, they are fighting over how it is produced, a solar ...

Plant Medic columnist Ricky Kemery suggests looking at issues in root zone of willow with sparse branches this year.

The New York Times is tracking the human toll of the conflict in this feature. The primary source is the online video that has allowed a widening war to be documented like no other, and posts try ...

A single mature, leafy tree is estimated to produce a day's supply of oxygen for anywhere from two to 10 people. Phytoplankton in the ocean are more prolific, providing half of Earth's oxygen ...

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