City Trees in Trouble From Urban Sprawl Across Cities
Experts report cities worldwide lose forests and urban trees as growth expands. Satellite data show cities are removing large areas of tree cover. U S cities have shed over a third of their prime tree canopy in the past quarter century.
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Washington
Costs of Lost Trees in City Decline
When a city loses trees it loses more than beauty. Trees absorb pollution cut energy costs and help cool buildings. If many trees are removed the city could pay millions more to clean up smog and reduce cooling expenses.
Growing trees in cities spreads green across America
Many groups work to save and plant trees in cities. The USDA Forest Service funds Millennial Groves of 100 trees per state. Forest Service EPA and DOE help cities plant and care for trees. Earth Day marks 30 years since its start on April 22.
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Johnny Appleseed
Forest Service
Environmental Protection Agency
Department of Energy
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