Big hoopla over more (in)famous climate change denier/delayer nonsense reviewed on Grist, these superfreaks want geoengineering via water spraying ships?

The ocean water spraying "ships" better be wind/wave/ocean current powered energy platforms. Burning diesel fuel to spray the water isn't going to be a good idea. And of course this analysis leaves out the concept of increasing snow in winter over cold arctic regions, protecting ice caps and tundra from melting during the 24 hr sunlight of summer. Dark ocean water and tundra absorb solar energy, snow and ice reflect it.

Melting tundra releases methane, creating another huge feedback effect, along with the feedback of darker solar energy absorbent surfaces.

Ocean water can be strategically sprayed up near desert areas in equatorial regions too, increasing precipitation and greening deserts, which would extract huge amounts of extra GHG, but only given organic agriculture. Which brings up a much better "geo-engineering" solution, that really might not be geo-engineering in the sense that the freaks and geeks talk it up.

Convert agriculture from chemical fertilizer to organic fertilizer derived from biodigestion of the biomass waste stream. That's a way to cancel huge amounts of methane (due to fertilizer and manure runoff acting to decompose cellulose in wetlands) and nitrous oxide from chemical fertilizer and manure. Not to mention that biogas from the process of making organic fertilizer can help to backup distributed generation and storage smart grids.

Whatever happened to the "death of environmentalism" guys? These fellers seem to be cashing in on a similar trend. Dissing the DFH/treehuggers.

As far as the invalid, unscientific talking points they are repeating, have they never heard about exponential feedback effects?

They do have a point on global cap n' trade, it looks like a corporate dodge at best and at worst another source of "derivative" trading for international financial gaming. A commercial wave of renewable energy and conservation products (like electric cars) is already taking off, lead by China and Europe. That is the best hope for climate cure, an exponentially growing business in green manufacturing, investment, and jobs.

To match the pace of exponentially growing GHG climate change, only an exponentially growing wave of profit producing business will do. Now it's the role of governments to shift subsidies from the old energy and ag economy to the new energy and ag economy to help it out.

Spraying ocean water could be some sort of last ditch effort, too late to have the desired effect because there is no commercial profit motive behind it.

This scenario is more likely, let's say we decide we want geo-engineering? Throwing up particles into the upper atmosphere to block sunlight and produce cooling on the order of what happened in 1816 ("the year without a summer"). No need to employ a magical "garden hose" spraying sulfur into the atmosphere as the superfreaks tout.

Volcanoes did that job in 1816 and are getting set to do it again. Land is rising due to magma pressure under Alaska. It was in check, pushed back by the gravity of glacial ice. As the ice melts the magma gets ready for a big blowout. Under Yellowstone the aquifer is drying up, drought and water wasting ag and cities are the culprits in this case.

With the same result as in Alaska, land is rising as the water weight is removed. The magma bubble is pushing up threatening to produce a super volcano. This is happening all over the planet wherever snow and rain drought, melting ice, and human water waste is removing the cap on magma pressure.

Eventually if the trend continues, brought on by climate change and human population growth and water waste, several volcanoes will blow. That will engage a natural catastrophic "thermostat". Say hello to a mini ice age that might make summer dissapear for a few years. Say goodbye to most of world GDP and billions of humans with it.

What say you freaks? Maybe you need another chapter on this scenario?