Challenges For The Planet

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  • Challenges For The Planet
    • Climate Change
      • Natural Causes
        • Milankovitch Cycles
          • Axis Tilt
            • Every 41,000 years2C temp changes
          • Wobble Theory
            • Every 26,000 years1-2C temp changes
          • Orbital Theory
            • Every 100,000 years5-8C temp changes
        • Eruption Theory
          • Mt. Pinatubu released 140km2 of ash
        • Sun Spot Theory
          • Every 11 years
        • Meteorites
      • Human Causes
        • Methane realeased 21 times more potent
          • 1 cow produces 50 litres of methane a day
          • Rice farming in paddy fields
        • Increased carbon dioxide release
          • Deforestation
      • Negative Effects
        • Bangladesh
          • 100km of inland flooding
          • Brackish water poisons land
          • B 2050, 15% of land underwater and 50% of coastline flooded
          • 80% of fertile land under 10m above sea level
        • The Great Barrier Reef
          • 1,500 species of fish
          • Fish migrate to cooler waters
            • Leaving 22 species of sea shore birds without food.
          • Temperature increase bleaches  and storms break up the coral
            • 1/3 of the world's soft coral
        • Food Production
          • California wheat and maize yield drop by 10-30%
          • Soya crop delcine by 20% in Brazil
      • Debate
        • Act Now
          • Wipe out 1/5 LIC economies in 20 years
        • Humans Are To Blame
          • 10 warmest years in the last 15 years
          • Sea levels rise by 58 meters
        • Do Nothing
          • Only 77 scientists participated
        • It's Natural
          • 98C of all global warming is due to water vapour
          • Greenhouse gases form only 3% of the atmosphere
      • Global Responces
        • Kyoto Agreement
          • HICs to reduce emissions by 5%
        • Bali Conference
          • Humans are 90% to blame for climate change
    • Sustainable Development
      • Transport
        • London
          • Drivers spend 50% of their time in queues
            • Low emission zone
          • £2-4 million lost each year
            • Bike Hire, first 30mins free
              • 43% increase in bus passengers
          • Roads conribute to 66% of air pollution
            • Congestion Charge £100-£200 fine
              • 21% fall in traffic
        • Portsmouth
          • Park and Ride off the M275
          • Wide network of bicycle lanes
          • Only 3 roads onto the island
      • Sustaintable Companies
        • BMW
          • Water consumption during production down by 70%
          • 100% clean energy used during the production of the i3
          • Most sustainbale manufacturer 8 years in a row.
        • Tesco
          • Carbon Neutral by 2050
          • O carbon stores
          • 0% waste to landfill
      • Rainforest Extraction
        • Impacts of Extraction
          • Oil in Ecuador
            • 4.3 million gallons of toxic waste
            • Water 1000 times the safe standard
            • 250,000 jobs created
        • Managing Extraction
          • Kilum Forest Reserve
            • Selective Logging
            • Ecotourism
          • Papua New Guinea
            • Preservation Areas, Limonchocha National Biological Reserve
            • Afforestation to re-establish habitats
          • Amazon Rainforest, Peru
            • Selling local produce benefits the local economy
            • High concentration of mercury in fish source (90%)
            • Tax incentives for large-scale projects

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