reflectivity :

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  • n  the fraction of radiant energy that is reflected from a surface
  • n  the ability to reflect beams or rays
  • n  the capability of quiet thought or contemplation

  • Since the Earth itself reflects about 30% of sunlight back into orbit, increasing the reflectivity of the planet just slightly could be enough to counter warming.
  • At the same time, as the polar icecaps shrink, the planet's total reflectivity decreases.
  • The composition and reflectivity of the bodies suggest they were formed within the first 3 million years of the solar system's life, whereas Earth was something of a late arrival .

  • Richard Lindzen in MIT News
    The IPCC assumed that all the secondary effects of aerosols would be to increase reflectivity, so it has left out a very important factor that could lead to the opposite effect,Lindzen says.

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