Laboratory experiments, field observations and atmospheric modeling calculations have now established that chemical reactions occurring on PSC particles play a central role in polar ozone depletion.

Picture Quotes Maker

Top Authors

• Stephen Covey

  Author

  Monday, Oct 24, 1932
  Monday, Jul 16, 2012

• Alfred Lord Tennyson

  Poet

  Saturday, Aug 05, 1809
  Thursday, Oct 06, 1892

• Tyler, The Creator

  Rapper

  Wednesday, Mar 06, 1991
  

• Samuel Taylor Coleridge

  Poet

  Wednesday, Oct 21, 1772
  Friday, Jul 25, 1834

• Ralph Waldo Emerson

  Essayist

  Wednesday, May 25, 1803
  Thursday, Apr 27, 1882

• Francis Of Assisi

  Saint

  Thursday, Jun 24, 1182
  Saturday, Oct 03, 1226

• Charles Spurgeon

  Preacher

  Thursday, Jun 19, 1834
  Sunday, Jan 31, 1892

• Kanye West

  Songwriter

  Wednesday, Jun 08, 1977
  Thursday, Jun 04, 2015

• Muhammad Ali

  Professional Boxer

  Saturday, Jan 17, 1942
  Friday, Jun 03, 2016

• Chanakya

  Teacher

  Thursday, Jan 01, 1970
  Thursday, Jan 01, 1970

• Mother Teresa

  Saint

  Friday, Aug 26, 1910
  Friday, Sep 05, 1997

• Robert Frost

  Poet

  Thursday, Mar 26, 1874
  Tuesday, Jan 29, 1963

• Dolly Parton

  Singer-Songwriter

  Saturday, Jan 19, 1946
  

• Isaac Newton

  Physicist

  Sunday, Jan 04, 1643
  Monday, Mar 31, 1727

• Dalai Lama

  Saturday, Jul 06, 1935