Posts Tagged ‘precautionary principle’

The greenhouse effect

Tuesday, December 14th, 2010

Greenhouse effect by e3000 on flickr

We all know a little about this important topic.  For our syllabus we must be able to answer the following questions:

  • What is the carbon cycle?  What are the main processes involved in it and how are they connected? The Carbon Cycle
  • What changes have taken place in atmospheric carbon dioxide levels over the past century? Biology – Carbon Dioxide Level – Chenille & Hori
  • What gases contribute to the greenhouse effect?
  • What is the relationship between the levels of these gases and the enhanced greenhouse effect? GREENHOUSE GASES
  • What is the precautionary principle?
  • Is the precautionary principle valid when dealing with the greenhouse effect?
  • What are the potential consequences of global warming on arctic ecosystems?

Start with this presentation.  This link is helpful in explaining what the greenhouse effect is NOT.