Renewable and Nonrenewable Resources

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Renewable and Nonrenewable Resources
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What are resources?

• Provided by the environment
• Use by all organisms

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Renewable Resources

• Resources that are replaced or reused by nature

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Examples

• Air plants clean air during photosynthesis by
  removing carbon dioxide
• Water water cycle
• Topsoil replaces soil that is carried away by
  wind and water

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Examples

• Trees new plants grow to replace old plants
• Animals new animals are born to replace old
  animals
• Sunlight solar energy will be available for
  billions of years

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Nonrenewable Resources

• Available in a limited amount on Earth
• Once we use it all, we will loose it!
• Takes millions of years to replace

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Examples

• Fossil Fuel coal, oil, natural gas
• Diamonds
• Metals

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Renewable vs. Nonrenewable

• Nature cannot replace of reuse
• Exists in a limited amount
• Fossil Fuel (coal, oil, natural gas)
• Diamonds
• Metals

• Nature can replace or
• reuse
• Air
• Water
• Topsoil
• Trees
• Animals
• Sun

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Why should we care about our resources?

• As the number of people on Earth gets larger, the
  need for natural resources increases
• Eventually we will run out of resources that are
  needed for our life
• Conservation process of protecting our
  nonrenewable resources

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3Rs of Conservation

• Reduce decide not to use a resource if another
  resource is available
• Riding a bicycle instead of using a car
• Carpooling
• Using a glass instead of a paper cup

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3Rs of Conservation

• Reusing finding a way to reuse a resource (or
  product)
• Washing a plate instead of throwing away a paper
  plate

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3Rs of Conservation

• Recycling product is change into something new
• Newspaper made into new paper
• Glass made into new bottles

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Protecting Wildlife

• Protecting preventing the loss of a resources
  (usually living) by managing their environment to
  increase their chance of survival
• Opening an eagle preservation site