20. RESOURCES1. Photograph Earth Hour 2010by Alice Popkorn2. Photograph Eartheggby azrainman3. Photograph Morning Walk by colemama4. Photograph Surrounded by Splash!By colemama5. Photograph Deepwater Horizon Oil Spill by SkyTruth6. Photograph Oil Spill Driftwood by ARLIS Reference7.Photograph Emergingby colemama8.Photograph 03.10.11by colemama9. Photograph Just full of Ideas by cayusa10. Photograph Garbage Family by sheilaz41311. Clip art courtesy of Microsoft Office 201012. Photograph Garbage 1by eschuipul13.Clip art courtesy of Microsoft Office 201014. Photograph Second Grade Writing Class by woodleywonderworks15. Photograph Display Caseby mahlness16. Photograph national_paper_bag_2 by robertstinnett17.Photograph by sararacha18. Clip art courtesy of Microsoft Office 201019. Photograph Lila Tutu by Kristen Barson 20. Photograph 03.13.11by colemama