Posted inEnvironment, Utilities

San Francisco’s clean-power program meets economic reality

CleanPowerSF, which aims to provide a cleaner energy alternative to PG&E, is struggling to find a way to keep rates low and supply San Francisco residents with green power. Contract negotiations with the company chosen to implement the city’s clean-energy system have collapsed, and the city is changing the requirements for any new bidders. The goal of 51 percent renewable energy by 2017 seems unlikely, unless the city buys some form of energy credits.

Posted inCity Hall, Environment, Land use, Social Justice

Is Bayview the new Gulf of Mexico? Activists see parallels

This week’s debates over environmental approval for the $8 billion redevelopment planned for Bayview brought to the forefront comparisons with neighborhoods in the Gulf of Mexico — both in terms of environmental and racial justice concerns. The neighborhood redevelopment plan passed its latest milestone — the contentious environmental impact report — when the Board of Supervisors gave it a thumbs-up after more than nine hours of debate Wednesday morning, by an 8-3 vote.

Posted inEnvironment, Health, News, Treasure Island

Pollution: experts concerned about Treasure Island cleanup as seas rise

Many Treasure Island sites have been decontaminated through soil removal or capping, which entails covering the remaining toxic soil with a clay cap. But there is growing concern that coastal sites once considered sufficiently remediated may become problematic as sea levels rise. Contaminated soil could come in contact with ground water as the sea pushes it higher. Bay Area scientists and regulators are beginning to explore the problem given the large number of former military sites in the region.

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Posted inClimate Change, Environment, Government & Politics, Land use, Treasure Island

Uncertain about rising seas, developers using mid-range estimate to build up island

Most of Treasure Island will be inundated by the end of this century, if the documented progression of the ocean’s rise caused by climate change continues as predicted. Studies foresee sea-level rise ranging from as little as five inches to as much as six feet. The lowest parts of Treasure Island lie just four feet above the Bay’s low tide.

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Posted inEnvironment, Media, Treasure Island

Can Treasure Island realize its ecotopian dream?

The Treasure Island redevelopment, which aims to be the most ecologically sustainable community in the world, delivers a positive self-image of San Francisco as a forward-looking, avant-garde, socially and environmentally responsible metropolis. Nothing excites the utopian impulse more than a blank slate — and Treasure Island’s 486 acres have been semi-abandoned since the Navy shut down its base in 1997.

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