Presentation is loading. Please wait.

Presentation is loading. Please wait.

Or, “We Don’t Do That Anymore” Our Route to Sustainability.

Similar presentations


Presentation on theme: "Or, “We Don’t Do That Anymore” Our Route to Sustainability."— Presentation transcript:

1 Or, “We Don’t Do That Anymore” Our Route to Sustainability

2 Man Must Subdue Nature Manifest Destiny Get across the continent as fast as we can John Muir – “Blow away”

3 Kill(er) Whales? Whale Oil for Lamps, 1820-1850? Right Whale, Bowhead, Baleen Liquid wax Peak Oil: 1845, 18 million gallons Cost more than camphene http://www.runet.edu/~wkovarik/misc /blog/8.whaleoil.html

4 Horses 1,000 lb horse: 50 lbs/day, 10 tons/year, quart of urine “Crossing Sweepers” 1898 first urban planning conference: horse manure 1894 Times of London: 9ft deep by 1950 Conference quit after 3 days, not 10 Feeding: 1.4 tons of oats, 2.4 tons of hay per year 5 acres per horse 15 million acres: West Virginia Henry Ford saved us?

5 DDT dichlorodiphenyltrichl oroethane Mosquitoes-malaria Lice-typhus Nobel Prize, 1948 Rachel Carson Silent Spring, 1962 EDF, 1964 Banned, 1972

6 Granny’s Garage, 2005 DDTChlordane Malathion? Zineb

7 CFC – Chlorofluorocarbons Ozone hole

8 Ozone Hole

9 CD Long Box 25-30,000 US record stores $250m to redsign stores 5% theft rate David Byrne

10 Leaded Gas 1930s: Octane in 30s Lead: 87! Protected Valve seats Catalytic converter problems 1996 banned US $10,000 fine

11 Ocean Garbage NYC: 12 miles: since 1938 106 miles: Deepwater Municipal Disposal Site Sewage Sludge 1982: quit Now Garbage Patches

12 Acid rain Sulfur Dioxide SO2 Nitrogen Oxides NOx 1990 Clean Air Act US coal plants

13 , Feb 2, 1962 ad in Life magazine Humble merged with Standard to become Exxon

14 Percolate? Drycleaning chemical


Download ppt "Or, “We Don’t Do That Anymore” Our Route to Sustainability."

Similar presentations


Ads by Google