Chapter 17: non-renewable energy

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Chapter 17 non-renewable energy

• Energy Use and Consumption Unit

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Energy Resources

• Solar Energy
• Hydroelectric Energy
• Wind Energy
• Geothermal Energy
• Nuclear Energy
• Fuel Cells/Hydrogen
• Biomass

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Presentations by class mates

• 2 days of research for topics mentioned. See me
  if a picture in the text is something you would
  like to include.
• 2 days of presentations by classmates.
• Grade will be a group grade pick your partners
  wisely!
• Grade for notes taken during presentations.
• Test over 17 and 18 Nov. 20th

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Middletown, PA 1979
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How it happened

• Non-nuclear portion of plant had a pump
  malfunction.
• This caused pressure to build in nuclear part
• A valve was opened to release pressure and was
  stuck open, allowing coolant to leak out.
• Reactor core overheated, started meltdown, but
  did not breach containment building.

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Diagram of Reactor
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Chernobyl

• Ukraine (former USSR)

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"Chernobyl. The war of all wars. There is no
salvation for mankind anywhere. Not on earth, not
in the water, not in the sky."A villager in
Belyibereg, Gomel
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What happened?

• Tests were being performed on the unit and a
  variety of things went wrong
• Too many control rods removed from coolant
• Slowing turbine reduced water intake
• Safety valves had been circumvented because of
  testing
• Poor communication between safety officials,
  testing officials.
• View Video

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Radiation spread over 1000km
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Health effects

• Only 1 person died in explosion
• 44 within a week
• Thousands have been affected since
• Thyroid cancer in 1978-1986 5 cases of
  childhood thyroid cancer.
• 1986-1998 600 cases!

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Read Silently

• 19 years ago, Chernobyl exploded, vomiting 8 tons
  of radioactive ash into the air which swept
  across the lands poisoning 25 of the population
  and 25 of the lands of Belarus. And now the new
  generation of children bears its legacy through a
  horrifying and bewildering array of afflictions.
  Some children are born brain-damaged, others have
  genetic, physiological, neurological and
  psychological damage.

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Stats on Thyroid Cancer in Children
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Nine-year-old Alexandra with her father Vitaly in
Gomel, Belarus. Alexandra has a birth defect,
called hydrocephalus. Vitaly has quit his job to
care for his daughter. The family lives in the
fall out zone of the Chernobyl disaster.22 June
2005
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BELARUS. Maiski. 1997. Nikolai Yanchen, one of
600,000 liquidators conscripted to fight the
fires and clean up the radioactive ash and
contaminated villages. He lost his right leg to
cancer. He can no longer work and lives alone in
a small village in a contaminated area near the
30km hot zone.
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BELARUS. 1997. Novinki Asylum, Minsk. Unable to
walk, these boys move by crawling, rolling, or
sliding

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BELARUS. Minsk. Childrens Home No 1. This
hospital receives many of the most deformed
babies soon after birth. Nurse Alla Komarova hugs
3-year-old Yulya, whose brain is in a membrane in
the back of his head.