Calling all tree lovers! This Arbor Day, help scientists study trees near you with TreeSnap, an easy-to-use app.

Are you a tree lover with a smartphone? If so, you can help out scientists who are trying to breed stronger trees. Like all living beings, trees face a variety of challenges and illnesses. In addition to threats like climate change, pollution, and loss of habitat, they also can be attacked by bugs or fall ill. Luckily, many scientists and community members are working together