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Geoengineering: Global Salvation or Ruin?

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Commonwealth Club of California

Commonwealth Club

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Ken Caldeira: Is Geoengineering Our Only Option?

02 min 10 sec

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Atmospheric scientist Ken Caldeira asserts that as long as any amount of carbon is emitted into the atmosphere, temperatures will continue to increase.

"The only plausible way in which we could start the earth cooling this century is to directly intervene in the climate system."
Geoengineering: Are We Playing God?

04 min 18 sec

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Will clearing the air of pollutants actually increase global warming?

A panel of climate experts discusses the ethical and scientific implications of geoengineering. "No matter what we do, we are already engineering the earth," says Albert Lin of UC Davis.
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01 hr 10 min 10 sec

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There are 10 comments on this program

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Previous FORAtv comments:

33noa333

Posted: 04.30.13, 12:10 AM

for mitic CLIMATE ENGINEERING UPGRADED VERSION 2012 SEE: http://climatechangeauthority.gov.au...T-2012-005.pdf

Labut

Posted: 01.13.11, 12:40 PM

Wow... They guy only gets carried by the death of... a satellite! Now they will use all 3rd world crops to fly the planes that kill us. So, is Mr. Knight doing this rogue? BS! But hey... San Francisco croud, do you own a car??! (shoked) We're so fucked.

Labut

Posted: 01.13.11, 12:14 PM

The only thing this people want to cool down is the advancement of human consciousness. They have been geoengineering least since the 2000 world-wide spraying of Aluminum particles. Do you remember the last time you saw a blue horizon. They are destroying the acidity of the planet and the balance of all ecosystems on the premissive that the Earth is a lump of mass that you can control like a petri dish, using a "virtual thermometer" as all tool, while disregarding the fact that it used to be a complex self-balancing system in the first place, where we had our niche pretty much assured. They are spilling fuels on the oceans, burning forests, changing the hold biosphere. Stearing storms... Many of us are dying already. But it's too late to stop polluting... let's TEST! Now... This they won't be able to hide: They are going to start to dump sulphur acid. Great downs I foresee. This is a relaxed conversation between giggly potential genocides. Go Boeing... raise your shares.

33noa333

Posted: 10.18.10, 03:46 PM

One way how to, Help Mother Nature for a better climate. Use mighty power of nature. In the northwestern Australia, we have huge tides, huge evaporation and huge dry rivers and lakes. Tides are up to 12m. Evaporation is up to 4m per year and can be increased. Huge 12m tidal erosion can revive old dry paleo dormant once mighty rivers, creeks and lakes, desalinate the country and change deserts to rain forests to provide more rain across Australia. World population is growing rapidly and we need more energy, food, land and water. see: Mitic CLIMATE ENGINEERING http://www.climatechange.gov.au/en/s...929-mitic.ashx this will change deserts and whole continent for better climate environment, provide hydro energy, permanently.

Fora2

Posted: 03.23.10, 11:46 AM

NEWS: Methane Releases from Arctic Shelf May Be Much Larger and Faster Than Anticipated NSF, National Science Foundation - March 4, 2010. Research results, published in the March 5 edition of the journal Science, show that the permafrost under the East Siberian Arctic Shelf, long thought to be an impermeable barrier sealing in methane, is perforated and is starting to leak large amounts of methane into the atmosphere. Release of even a fraction of the methane stored in the shelf could trigger abrupt climate warming. As Martin Heimann writes in Science: Wetlands and permafrost soils, including the sub-sea permafrost under the Arctic Ocean, contain at least twice the amount of carbon that is currently in the atmosphere as carbon dioxide. Release of a sizable fraction of this carbon as carbon dioxide and/or methane would lead to warmer atmospheric temperatures, causing yet more methane to be released. It would thus create a positive feedback loop that amplifies global warming.

4TimesAYear

Posted: 03.18.10, 01:14 AM

Look, they created a program in the 70's-80's to remove the sulfur from the air, and now they are talking about putting it back. Nevermind the fact that 15 years is too short of a time to show a trend (in their own words). So they were trying to force AGW down our throats for 15 years and there's been no statistically significant warming over the last 15 years. It's much ado about nothing. And heaven help us if we get any colder. Iowa has been getting colder for the last 3 years. #32 coldest winter, #2 coldest summer. This year #30 coldest winter. Not to mention snow in 49 states. It's not supposed to snow in Florida.

danielrshipley

Posted: 03.17.10, 06:57 PM

I wonder if we can't all stop for just a single moment to remember that engineers, financed by profit-driven organizations, are the principal architects of the mess we find ourselves in today. To suggest we hand that same basic group the keys to the family car and suggest they help us fix the problem smacks of denial and self-interest.

DannyAstro

Posted: 03.17.10, 02:22 PM

We are going to need to pursue geo-engineerng. See: http://www.tos.org/oceanography/issu...3-1_greene.pdf

tdsinfo

Posted: 03.15.10, 02:44 PM

I'd actually rather listen to the discussion, if you don't mind. You really expected a resolution to such an issue in a 70-minute panel discussion? Such cynicism is weak.

mr_svperstar

Posted: 03.11.10, 11:50 PM

What a useless discussion. It can be summed up in 1 line: "We don't know yet, we will have to look into it." Now you've read that you can save yourself 70 minutes.