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April 9 Science News: Key ‘geoengineering’ strategy may yield warming, not cooling

Whitening clouds by spraying them with seawater, proposed as a “technical fix” for climate change, could do more harm than good, according to research.

Whiter clouds reflect more solar energy back into space, cooling the Earth.

But a study presented at the European Geosciences Union meeting found that using water droplets of the wrong size would lead to warming, not cooling.

Doh!

As science advisor John Holdren resasserted in 2009 of strategies such as space mirrors or aerosol injection, “The ‘geo-engineering’ approaches considered so far appear to be afflicted with some combination of high costs, low leverage, and a high likelihood of serious side effects.

Two major problems for most of the ‘hard’ geoengineering strategies — aka solar radiation management aka smoke and mirrors — are that they still require aggressive mitigation, and they must meet a very strong test of science.

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Lawn Order: As Southwest dries up, some homeowners ‘green’ their lawns with paint!

Whoever said we can’t adapt to climate change?

There used to be two kinds of homeowners in this scorching city, those with dazzling green lawns irrigated by sprinklers and those with more natural backyard expanses of rocks, cactuses and desert flora, which required no watering at all.

Now, though, the grass may be greener next door simply because of a fresh coast of paint.

This idea is almost up there with the plans of Versace, “to create the world’s first refrigerated beach.“  The NY Times front-page (!) story, Spraying to Make Yards Green … but With Paint, Not Water,” continues:

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Maximizing the value of Americas fisheries

Fish

Many U.S. fisheries have gone from overfishing to underfishing in just a few years, writes Michael Conathan CAP’s Director of Ocean Programs, in this repost. We need to strike the right balance with regulations.

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As Exxon pays zero taxes, Fox host defends Big Oil subsidies

Conservatives want deep cuts to programs for Main Street Americans like the Pell Grant and Head Start, claiming that they are necessary to rein in the budget deficit. Yet at the same time, House Republicans voted unanimously to protect taxpayer giveaways to Big Oil, even with major oil companies like Exxon paying absolutely nothing in federal corporate income taxes in 2009.  Think Progress has the story

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