Whether you name it a "Beltway" in the United States or a "Ring road" in Europe, Madrid will soon be calling it the "greenway," as the Spanish capital wants to counteract the city's island of heat by surrounding itself with a sea of green.

Cities and towns are home to almost 141 million acres of America's woods. Urban forests exist in a variety of sizes and forms. Urban parks, street trees, landscaped boulevards, gardens, river and coastal promenades, greenways, river corridors, wetlands, wildlife preserves, tree shelterbelts, and working trees on former industrial sites are just a few examples. The green infrastructure on which communities rely is formed by urban forests formed through planned linkages of green spaces. As a result, green infrastructure is adequate for all sizes, from the neighborhood to the metro area to the regional landscape.

Benefits

According to the 2010 census, over 81 percent of Americans now live in cities, up from 79 percent just ten years ago. Over the same period, urban populations increased by more than 12.1%, exceeding the national average of 9.7%. The US is undoubtedly getting increasingly urbanized. Urban forests, which are the trees outside front doors, are more essential than ever due to these development patterns. They are dynamic ecosystems that give basic advantages to both humans and wildlife. Filtering air and water, controlling storm water, conserving energy, and providing animal habitat and shade are all benefits of urban woods.

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