Carl Sagan Quotes About Environment

Quotes about: Environment

• The universe is not required to be in perfect harmony with human ambition.

  Carl Sagan

  Ambition, Science, Perfect

  Carl Sagan (2011). “Cosmos”, p.230, Ballantine Books

• If you wish to make an apple pie from scratch, you must first invent the universe.

  Carl Sagan

  Inspirational, Nature, Hipster

  Carl Sagan (2011). “Cosmos”, p.242, Ballantine Books

• Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.

  Carl Sagan

  Stars, Science, People

  Carl Sagan (2011). “Cosmos”, p.217, Ballantine Books

• Few scientists now dispute that today's soaring levels of carbon dioxide and other gases in the atmosphere will cause global temperature averages to rise by as much as nine degrees Fahrenheit sometime after the year 2000.

  Carl Sagan

  Average, Years, Atmosphere

• The secrets of evolution are death and time-the deaths of enormous numbers of lifeforms that were imperfectly adapted to the environment; and time for a long succession of small mutations.

  Carl Sagan

  Science, Numbers, Long

  Carl Sagan (2011). “Cosmos”, p.49, Ballantine Books

• The hole in the ozone layer is a kind of skywriting. At first it seemed to spell out our continuing complacency before a witch's brew of deadly perils. But perhaps it really tells of a newfound talent to work together to protect the global environment.

  Carl Sagan

  Ozone Layer, Together, Layers

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