Environmental Events Calendar   Event Date(s) Waste Reduction Week October 15-21, 2007 Arbor Day April 27, 2007 National Wildlife Week April 8-14, 2007 Embracing the Earth - Caring for Creation April 17, 2007 Earth Week April 16-20. 2007 Earth Day April 22, 2007 Pitch-In Canada Week April 23-29, 2007 Middlesex-London Children's Water Festival May 28-June 1, 2007 World Oceans Day June 8, 2007