Global Warming: Hoax Or scientific evidence

1
Global Warming Hoax? Or scientific evidence?

• Annie Heffernan
• BIO380

2
What is global warming?

• Increase in the earths average overall
  temperature.
• May be caused by increase in greenhouse gas
  emissions

3
Theres 2 sides to every story

• 1) Global warming is true factual evidence
• 2) Global warming is over exaggerated,
  false/hoax

4
Global warming is true

• Human causes
• Carbon Dioxide emissions
• Deforestation
• Population increase

5
Global warming is true

• Environmental changes show global warming does
  exist.
• Permafrost
• Glacier retreat and thinning
• Temperature increase
• Acidification
• Sea level rise
• Polar bears-potential endangered species

6
Global warming is true

• Permafrost
• Alaskan Permafrost

7
Global warming is true

• Glacier thinning

8
Global warming is true

• Increased overall temperature of the earth

9
Global warming is true

• Sea level rise

10
Global warming is true

• Coral bleaching

11
Global warming is false

• Global warming is a natural cycle.
• Evidence is unclear
• Addressing global warming issues will harm the
  American industry and economy.
• Global warming is beneficial
• We can adapt to climate change

12
Global warming is over exaggerated

• Global warming is a controversial topic
• Scientific data is not entirely in alignment

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Ten chilling facts about global warming

• http//www.environmentaldefense.org/article.cfm?co
  ntentID5816

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Dangers of global warming

• Extreme weather
• Spread of disease
• Species extinction
• Sea level rise

15
Dangers of global warming

• Species extinction

16
Dangers of global warming

• Sea level rise Coastal Florida if the water
  level is raised 1 meter.

17
What do we need to do?

• Start by understanding your individual
  contribution to global warming
• Switch to energy saving appliances
• Be a smart driver
• Buy offsets
• Exercise your right to vote!