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Actual image from Climate Change science.
Actual image from Climate Change science.

Geoengineering is the deliberate modification of Earth's environment on a large scale to suit human needs and promote habitability. Others define it more narrowly as focusing only on the mineralogy and hydrology of the earth. The term geoengineering is distinct from accidental anthropogenic climate change.

A primary application considered for geoengineering would be to providing man-made interventions for the global warming crisis. While such interventions are sure to have side effects, the thinking is that the preventative measure is not as bad as the alternative of doing nothing.

Such a discussion should take a wide array of disciplines into consideration as it has moral, temporal, social, and long-term ecological ramifications.

aka Terraforming 
Terraforming is the hypothetical process of deliberately modifying the atmosphere, temperature, or ecology of a planet, moon, or other body to be similar to those of Earth in order to make it habitable by humans.



  • Geoengineering: An ethical response to climate change? (15 min) - Planetary weather systems could one day be manipulated in an attempt to cool the planet and survive global warming. Environmental scientist David Keith thinks we should begin serious debate about the ethical factors surrounding geoengineering. (Alternative Energy News; Nov. 14, 2007)

Classic Cases


(8.38 Minutes)

  • Haarp The description lists HAARP links. (YouTube; August 29, 2008)

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See Directory:Chemtrails - separate page

Other Methods

  • Geoengineering >
    Astronomer devises giant sun shield to reverse global warming - Climate scientists are beginning to imagine options like the sunshield as a way of halting climate change. Professor Roger Angel thinks he can diffract the power of the sun by placing trillions of lenses in space and creating a 100,000-square-mile sunshade. (Video) (Telegraph; Feb, 20, 2009)
  • Climos under siege? - Potentially throwing a wrench into future ocean fertilization trials, which are intended to reduce carbon dioxide emissions by storing carbon deep underwater, the UN Convention on Biological Diversity called for a moratorium on the practice of adding nutrients to the oceans. (Venture Beat; May 31, 2008)
  • Put sulpher in the atmosphere to reflect off sun's rays
  • Climate Engineering Is Doable, as Long as We Never Stop - Pumping 20 to 25 liters of aerosols per second to keep enough particles in the stratosphere would cool temperatures, causing the planet's carbon sinks to suck more carbon dioxide out of the atmosphere. "That kind of flow rate can be handled by a single fire hose," said Caldeira. "For something like $100 million a year you could probably keep a hose in the stratosphere suspended by an array of balloons with pumps along the way." (Wired; July 25, 2007)
  • Detonate a supervolcano


  • Geoengineering >
    Scientists Warn Geoengineering May Disrupt Rainfall - Large-scale engineering projects aimed at fighting global warming could radically reduce rainfall in Europe and North America, a team of scientists from four European countries have warned. Geoengineering projects are controversial, even though they are largely theoretical at this point. They range from mimicking the effects of large volcanic eruptions by releasing sulphur dioxide into the atmosphere.... (PlanetArk; June 7, 2012)

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