Columbia Engineering Archives - State of the Planet

tree guard

So Much Depends on a Tree Guard

Adding protective barriers around street trees could reduce load on city sewers, study finds.

by |January 23, 2018

Increasing Tornado Outbreaks: Is Climate Change Responsible?

In a paper published in the journal Science, researchers looked at increasing trends in the severity of tornado outbreaks, measured by the number of tornadoes per outbreak. They found that these trends are increasing fastest for the most extreme outbreaks.

by |December 1, 2016