If a tree falls in a city, what happens to it? Every year, 36 million trees come down in U.S. cities due to old age, disease and new development. Reforestation Hubs harvest the otherwise wasted wood, creating jobs and generating profits that are spent planting new trees. Cities and civic groups that would like free technical support to create a new Restoration Hub are invited to submit a letter of interest by October 30. Read more.