We all know what tree line is in Colorado: the point above which trees don’t grow. But what determines tree line: Cold? Soil conditions? Precipitation? And is tree line different in various parts of ...

Sarah Raubenheimer receives funding from the National Research Foundation (NRF) and the Alliance for Collaboration on Climate & Earth Systems Science (ACCESS). Brad Ripley receives funding from the ...

Recently planted trees line the sidewalk next to General Anderson Avenue in January. Vancouver officials are updating their urban forestry management plan to reflect the city’s climate goals, ...

Question: It seems like everyone got a bunch of rain in the past couple of weeks except for us. We have not had a measurable rain in three weeks. Several of our trees are dropping leaves. They are ...

A sprawling live oak tree stood along Ocean Boulevard in Carolina Beach up until last week when it was cut down to make way for a three-story duplex. Britt Evans lived less than half a mile from the ...