Posts Tagged ‘global warming’

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.

Typhoons

Wednesday, October 20th, 2010

Why do scientists believe that global warming will lead to more typhoons in places like the Philippines?

Take a look at this post about the recent typhoon that hit Luzon.