lpetrich
Contributor
Designing an end to a toxic American obsession: The Lawn - CNN Style
But the thirstiness of lawns in semiarid and arid parts of the nation has provoked interest in alternatives.Lawns are an American obsession. Since the mass proliferation of suburbs in the 1950s and '60s, these pristine carpets of green turf have been meticulously maintained by suburbanites, with grass length and other aesthetic considerations enforced with bylaws and by homeowner associations.
But for nature, lawns offer little. Their maintenance produces more greenhouse gases than they absorb, and they are biodiversity deserts that have contributed to vanishing insect populations. Residential lawns cover 2% of US land and require more irrigation than any agricultural crop grown in the country. Across California, more than half of household water is used outside of the house.
If attitudes toward lawn care are shifted, however, these grassy green patches represent a gigantic opportunity. In 2005, a NASA satellite study found that American residential lawns take up 49,000 square miles (128,000 square km) -- nearly equal in size to the entire country of Greece.
Does anyone here have any experience with alternatives to lawns? Any trouble with local governments or homeowners' associations?In western states like California, Colorado and Arizona, droughts have led to restrictions on water usage, forcing many to reconsider their thirsty lawns. Some inventive families and landscape architects have transformed yards, producing oases of life for hummingbirds, bees and butterflies, by employing scientific insight, design and imagination.
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Such policies can lead to big changes. Images of intensely irrigated lawns in Phoenix, ringed by the red sand of the Arizona Desert, were once a disturbing case study of America's lawn addiction. But in recent decades, the state has taken action, charging more for water in the summer and banning lawns on new developments. At the turn of the millennium, 80% of Phoenix had green lawns, now only 14% does.
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"A lot of homeowners are more environmentally aware," said Seidenwurm over the phone, and she co-presented an ASLA talk last fall on recent residential garden trends with architect Courtney Skybak, whose home city of Portland, Oregon, is another West Coast centre for experiments in environmental garden design. "There's certificates that homeowners can get that certify that a front yard is wildlife friendly, or attracts butterflies, or is certified by master gardeners."
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"The stuff that people are usually trying to get out of their lawn, we're saying 'No, that's good to have in your lawn!'" said Philips. "So reintroduce native violets -- and even dandelions -- certain clovers, low-growing thyme and things that flower, which provide pollinator benefits and are better for the soil."