Âé¶¹´«Ã½

Comment and Earth

Tidal power? No thanks

By Hans Van Haren

30 March 2010

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

The sea can’t provide for all out needs

(Image: Andrzej Krauze)

THE vastness of the ocean has always created the illusion of infinite resources, whether for food or waste disposal. Yet despite its huge size, the ocean is vulnerable to exploitation.

The ocean also seems like an attractive source of vast amounts of sustainable energy, including tidal power. Just last month, the UK’s Crown Estate announced off the north coast of Scotland with the aim of generating 600 megawatts of electricity. Scotland’s first minister, Alex Salmond, described the waters as the “Saudi Arabia of marine power”.…

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