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fuelwood

Published on Nov 22, 2015

summary of a commonly used renewable energy source, fuelwood

PRESENTATION OUTLINE

fuelwood

renewable resources by azalea
Photo by kuchenkruste

WHAT IS IT?

  • energy obtained from the burning of wood
  • one of the first energy sources
  • globally used until the 1800s
  • a very cheap but costly energy source
  • considered a renewable resource
Photo by kirsten.elise

before 1800s

  • people burn it in stoves, fireplaces, etc.
  • disfigured wood were converted to charcoal (a derivative)
  • the industrial revolution caused falls in fuelwood demand
  • Japan's overconsumption led to a forest management policy

After 1800s

  • airtight stoves and 1973 energy crisis boosted demands
  • there was a "stove fad" through the 1980s
  • today, pellet stoves, which burn biomass pellets, are used
  • cooking is the main use of these fuelwood sources
  • however, coal & oil dominate for more powerful energy
Photo by OZinOH

energy source of the poor

  • they cannot afford coal, let alone oil
  • wood is abundantly found
  • wood's low price appeals to them
  • lumber creates jobs for those financially struggling

impacts

  • when burned, irritating fine particles soar through the air
  • the air pollution caused results in asthma & heart diseases
  • it destroys habitats and promotes soil erosion
  • inefficiency in combustion may increase greenhouse gases
Photo by kevin dooley

Advantages

  • burning it doesn't release dangerous, toxic chemicals
  • logging creates jobs & income
  • it's accessible to poorer countries
  • locals don't pay for their wood
Photo by anoldent

Disadvantages

  • high investment cost 
  • poor ignitability
  • poor durability 
Photo by BlackPolo91

questions

  • why did the use of fuelwood decrease over time?
  • does charcoal fall under the category of fuelwood?
  • does this renewable resource have harmful impacts?
  • what are some advantages? and disadvantages?
  • if its use has decreased, why is it still being used now?

CITATIONS
~
Dutta, Animesh. "Advantages and Disadvantages." Advantages and Disadvantages. Asian Institute of Technology, UNESCO, JFIT, 06 May 2007. Web. 31 Jan. 2015.
~
Wikipedia contributors. "Wood fuel." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 22 Jan. 2015. Web. 31 Jan. 2015.