The sensitivity of leaf unfolding phenology to climate warming has significantly declined since 1980s, according to a study. Earlier spring leaf unfolding is a frequently observed response of plants ...

Add Yahoo as a preferred source to see more of our stories on Google. Forty broadleaf trees have been planted in place of the felled trees [DOUGLAS COUNCIL] Work to replace 39 trees lining the edge of ...

Something is killing bigleaf maples — Washington’s biggest broadleaf tree — and scientists can’t stop it. They don’t even know what’s causing it. “We’ve looked for everything we can possibly think of ...

I have been receiving many calls recently about oak trees experiencing problems, and suddenly it occurred to me that this same problem has occurred twice, years ago during hot, dry springtime weather.

PORTLAND, Ore. (KOIN) — A proposed administrative rule would make it easier for Portland homeowners to plant young trees. Officials are considering changing city code to allow property owners to plant ...

This news release is available in German. The sensitivity of leaf unfolding phenology to climate warming has significantly declined since 1980s, according to a study recently published in the journal ...