From hypothesis to theory

  • 1971

    Biogenic gases transfer elements from ocean to land
  • 1973

    Search for oceanic sources of dimethylsulphide and methyl iodide fue Found.
    Climate regulation through biologically enhanced rock weathering.
  • 1974

    Oxygen has not varied by more than 5 percent from 21 percent forthe past 200 million years.
    Confirmed for up to 1 millionyears ago
  • 1975

    Atmospheric compositional evidence showslack of disequilibrium
    Strong confirmation, Vikingmission
  • 1982

    Gaia is aged and is not far from the end of its development.
    Calculation based on generally accepted solarevolution
    Generally accepted
  • 1987

    Climate regulation through cloud albedo control linked to algalgas emissions
  • 1988

    Mars is lifeless
  • 1994

    The current interglacial is an example of systems failure in aphysiological sense
  • 2000

    The biological transfer of selenium from the ocean to the land asdimethyl selenide
    Direct measurements
    Confirmed
  • 2001

    a thousand scientists at the European Geophysical Union meeting signed the Declaration of Amsterdam,starting with the statement "The Earth System behaves as a single, self-regulating system with physical, chemical,biological, and human components."
  • 2005

    the Ecological Society of America invited Lovelock to join theirFellowship
  • 2006

    the Geological Society of London awarded Lovelock with the Wollaston Medal for his workon the Gaia theory.