The hydraulic system of trees is so finely-tuned that predicted increases in drought due to climate change may lead to catastrophic failure in many species. That’s according to a new study that found many plants around the globe are already operating at the top of their drought-stress safety threshold. The new work is based on […]
![Tree plumbing stress approaching tipping point dieback](http://www.scienceagogo.com/wp-content/uploads/2016/06/dieback-100x100.jpg)