An interdisciplinary group of researchers at Penn State ran computer models on two Philadelphia census tracts. The neighborhood with more vulnerable residents was also hotter.

A new study reveals a surprise: Trees growing in wetter regions are more sensitive to drought, researchers find.

How many years you reuse a fake holiday tree matters. So does what happens to a live tree when you’ve packed up the ornaments.

The felling of iconic trees is a highly emotive issue – but the damage needs to be repaired with care.

This isn’t the first time that US authorities have criminalized civil disobedience or framed grassroots organizing as a conspiracy.

Researchers have found a species of ant so rare that only a handful of records exist from across the entire eastern US.

Garden leaves make good compost, but street leaves are too polluted.

Studying how saplings respond to drought and heat could inform management after wildfires and die-offs, say researchers.

Other threats to UK forests include competition with society for water, viral diseases, and extreme weather affecting forest management.