Subcategories - Ecology, Environment, Conservation

  1. Accident Spills Pesticide into the Sacramento River
  2. Activists Oppose Deployment of the MX Missile
  3. Adams Lobbies Congress to Preserve Kings Canyon
  4. Aerosol Containers Are Introduced
  5. African Lake Emits Toxic Gas
  6. The Alaska Highway Is Completed
  7. The Alaska Lands Act Is Passed
  8. Alaskan Oil Discovery Sparks Controversy
  9. The Alternative Motor Fuels Act Is Passed
  10. American Scientists Campaign Against Nuclear Testing
  11. The Amoco Cadiz Runs Aground
  12. Animal Welfare Act Regulates Use of Animals in Research
  13. Antarctic Survey Team Confirms Ozone Depletion
  14. Arab Members of OPEC Institute an Oil Embargo
  15. The Argo Merchant Spills Oil Off the New England Coast
  16. Armenian Earthquake Leads to Calls for Building Reform
  17. Arne Naess
  18. Arnold and Gottlieb Publish The Wise Use Agenda
  19. The Arroyo Seco Freeway Opens in Los Angeles
  20. Arvol Looking Horse
  21. Atlantic Richfield Discovers Oil at Prudhoe Bay, Alaska
  22. Atlantic Salmon Return to the Connecticut River
  23. Atomic Bombs Destroy Hiroshima and Nagasaki
  24. Atomic Energy Act
  25. The Atomic Energy Commission Is Established
  26. The Audubon Society Opens Its New Headquarters Building
  27. Automakers Introduce the Catalytic Converter
  28. Avalanches in the Alps Lead to Snow-Management Programs
  29. The Bald Eagle Is Removed from the Endangered Species List
  30. The Banning of DDT Signals New Environmental Awareness
  31. Beatrix Potter
  32. Berry Publishes The Unsettling of America
  33. Bhopal Disaster Kills and Injures Thousands
  34. Bison slaughter
  35. Bookchin Publishes Crisis in Our Cities
  36. Bookchin Warns of Synthetic Hazards
  37. Borlaug Begins Work on High-Yield Wheat
  38. Boulder Dam Is Completed
  39. The Braer Runs Aground near the Shetlands
  40. Brazilian President Announces Plans to Protect Rain Forests
  41. Brower Becomes Executive Director of the Sierra Club
  42. Brower Forms Friends of the Earth
  43. Brown Orders Medfly Spraying in California
  44. Bush Signs the Clean Air Act of 1990
  45. Callendar Connects Industry with Carbon Dioxide Increases
  46. Canada Bans Commercial Fishing in Lakes St. Clair and Erie
  47. Canada Bans the Hunting of Baby Seals
  48. Canada Establishes the Experimental Lakes Area
  49. Canadian Activists Found Greenpeace
  50. The Canadian National Parks Act Is Passed