Do you have a favorite tree, or a favorite species of tree? If so, what and why? How has it played a role in your life?

If you don’t have an answer, go for a walk in your neighborhood and choose one that catches your eye for any reason.

A program in Melbourne, Australia tracks every public tree — and even gives each an email address — as a way to manage climate change. But citizens there have used the email addresses to write thousands of “love letters” to these trees.

If you were to write a letter to your favorite tree, what would you say?

Tell us in the comments, then read the related article to learn more.

Want more Picture Prompts? Find them all in this column.

Students 13 and older in the United States and Britain, and 16 and older elsewhere, are invited to comment. All comments are moderated by the Learning Network staff, but please keep in mind that once your comment is accepted, it will be made public.