# Harvard grad students explore the tree canopy of the Harvard Forest in an episode of the YouTube series called ScienceIRL February 15, 2018 - [ News ](/news-categories/news) The Earth's climate is rapidly changing- how will its inhabitants be affected? Harvard University PhD student and Holbrook Lab member, Jess Gersony, is studying how trees will respond to drought, a consequence of climate change. A key component of her science toolbox is the \*pressure bomb,\* an instrument that measures how dry trees are- joins us as we venture into the canopy of the Harvard Forest to find out! Share on:- [ Facebook ](#) - [ Twitter ](#) - [ Linkedin ](#)