Insects may undermine trees’ ability to store carbon
![forest tent caterpillar](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/03/wt_caterpillar_free.jpg?fit=860%2C460&ssl=1)
Forest tent caterpillars, like this one resting on an aspen leaf, are found in U.S. hardwood forests. A new study finds that when carbon dioxide levels are higher, herbivorous insects eat more vegetation.
courtesy of John Couture, UW-Madison