A new study, published in the Proceedings of the National Academy of Sciences (PNAS), finds that black spruce trees — a key species on the boreal landscape for millennia — are losing their resilience ...

A newly discovered population of white-spruce trees is advancing northwards in Arctic Alaska, driven by ecological factors that are associated with climate change at this latitude — including stronger ...

Science is messy business. Finding the truth is easier said than done.

Anywhere else in the world, more trees would be a blessing. But in the far north of Alaska, they’re a reckoning. As the Arctic warms up to four times as fast as the rest of the planet, white spruce ...