The Harvard physicist Russell Seitz wants to create what amounts to a giant oceanic bubble bath: bubbles trap air, which brightens them enough to reflect sunlight away from the surface of the earth.

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Many superlative vintages come from Colchagua Valley, where the high mountains trap the warm air in and keep cold Pacific air out.

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For example, one of them, Bucking Bronco, can launch enemies in the air or create a proximity-based trap.

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One of these changes, which would promote global warming, is a rise in the level of so-called greenhouse gases (particularly carbon dioxide) which trap heat from the sun and thus warm the air.

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And the air quality around the plant ought to improve, too, Ford says, because the roof will trap dust, absorb carbon dioxide and release oxygen into the environment.

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