Mayors gather for climate change summit

updated 8:13 a.m. ET May 31, 2005

SAN FRANCISCO - Mayors from some of the world's biggest cities are gathering here this week to forge a set of international guidelines for sustainable urban living — billed as a municipal version of the Kyoto Protocol on global warming that the United States never ratified.

The Urban Environmental Accords, to be signed at the United Nations World Environment Day Conference, is the latest example of cities seeking to tackle climate change despite reluctance from their national governments.

"We cannot afford to wait for the state or federal government to do the job. There are too many excuses going around, particularly in this country," said San Francisco Mayor Gavin Newsom. "Increasingly, the world will look at mayors to become the stewards of the environment since the vast majority of the pollution comes from cities."

At least 70 mayors from cities such as London, Rio de Janeiro, Tehran, Capetown, Sydney and Shanghai are scheduled to attend the five-day conference in San Francisco — the first U.S. city to host the annual event. World Environment Day, celebrated each June 5, was established in 1974, with annual conferences held since 1987.

At this year's gathering, themed "Green Cities" and running June 1-5, the mayors will trade ideas on sustainable urban living in areas such as renewable energy, recycling, public transportation, city parks and clean air and water. More than 230 community activities for World Environment Day are scheduled around the San Francisco Bay area.

Gov. Schwarzenegger signs on
On Wednesday, when the conference opens, Gov. Arnold Schwarzenegger will unveil California's plan to reduce emissions of carbon dioxide and other "greenhouse gases" blamed for trapping heat in the earth's atmosphere and raising temperatures worldwide.

San Francisco, where the United Nations was founded 60 years ago, is known as an environmental trendsetter, and city officials plan to showcase its green successes. The city now recycles two-thirds of its garbage, claims the largest fleet of alternative fuel vehicles and boasts the country's largest city-owned solar power installation at the Moscone Convention Center.

"There's so much we can share, but there's also an enormous amount we can learn from other cities," Newsom said.

Until recently, international treaties have been the main forum for addressing global environmental problems such as climate change, which scientists say is causing increasingly violent storms, shrinking wildlife habitats and rising sea levels that threaten coastal cities.

The Kyoto Protocol, adopted in the Japanese city in 1997, requires industrialized nations to cut greenhouse gas emissions by an average of five percent below 1990 levels. The treaty was ratified by at least 140 countries and went into effect in February.

Bush administration stand
But the United States, the world's largest emitter of greenhouse gases, did not sign because Bush administration officials believed the treaty would result in the loss of five million U.S. jobs and raise energy prices, said Michele St. Martin, a spokeswoman for the White House Council on Environmental Quality.

"President Bush favors an aggressive approach on climate change — one that fosters economic growth that will lead to new technology and innovation," St. Martin said, pointing to the administration's $2 billion climate change initiative that promotes clean-coal technology, hydrogen-powered vehicles, nuclear power and renewable energy.

Environmentalists and government officials are questioning whether Kyoto and other global treaties between national governments are the solution.

"We have all these laws on the books, but none of them are being implemented," said Jared Blumenfeld, director of San Francisco's Department of the Environment. "They have to teeth. Nothing happens if you don't implement them. No one's going to hold them accountable."

Frustrated by the U.S. government's stance on global warming, many Americans states, cities and corporations are taking steps to reduce emissions of heat-trapping gases from factories, automobiles and power plants.

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