This section explains the mechanism of the greenhouse effect, the role of anthropogenic (human produced) greenhouse gas emissions in generating the enhanced greenhouse effect, and the basic characteristics of the main anthropogenic greenhouse gases.
[6]Also, from our FAQs:
What are the most important greenhouse gases and their sources? [8]
Links:
[1] http://pewclimate.org/global-warming-basics/facts_and_figures/climate_science_basics
[2] http://pewclimate.org/global-warming-basics/facts_and_figures/temp_ghg_trends
[3] http://pewclimate.org/global-warming-basics/facts_and_figures/impacts
[4] http://pewclimate.org/global-warming-basics/facts_and_figures/us_emissions
[5] http://pewclimate.org/facts-and-figures/international
[6] http://pewclimate.org/global-warming-basics/facts_and_figures/climate_science_basics/ghe.cfm
[7] http://pewclimate.org/global-warming-basics/facts_and_figures/climate_science_basics/main_ghgs.cfm
[8] http://pewclimate.org/global-warming-basics/faq_s/glance_faq_science.cfm#ghgs
[9] http://pewclimate.org/global-warming-basics/facts_and_figures/globalco2flows.cfm
[10] http://pewclimate.org/global-warming-basics/facts_and_figures