Carbon Dioxide, Methane, Nitrous Oxide, and the Greenhouse Effect - Conservation in a Changing Climate
How Much of Atmospheric CO2 Increase is Natural? « Roy Spencer, PhD
Which emits more carbon dioxide: volcanoes or human activities? | NOAA Climate.gov
Climate myths: Human CO2 emissions are too tiny to matter | New Scientist
The global CO2 rise: the facts, Exxon and the favorite denial tricks « RealClimate
Climate 101 – I Love CO2
Topic 1: Observed changes and their causes — IPCC
Main sources of carbon dioxide emissions | What's Your Impact
C3: What Causes Atmospheric CO2 Growth Rates To Change? Human CO2 Emissions or Natural Phenomenon?
Which emits more carbon dioxide: volcanoes or human activities? | NOAA Climate.gov
Day 13 in MAT227
Attribution of recent climate change - Wikipedia
Natural and human-made CO2 differentiation possible thanks to new monitoring technique | Bits of Science
The global CO2 rise: the facts, Exxon and the favorite denial tricks « RealClimate
The human fingerprint in global warming
Pin on Common Sense on Global Warming and Climate Change
Anthropogenic carbon emissions - Energy Education
Most Of The Rise In CO2 Likely Comes From Natural Sources
Climate Change Cluedo: Anthropogenic CO2
Greenhouse gases' effect on climate - U.S. Energy Information Administration (EIA)
What are the main sources of carbon dioxide emissions? | Carbon dioxide, Emissions, Greenhouse gases
How do human CO2 emissions compare to natural CO2 emissions?
Climate Basics for Kids — Center for Climate and Energy Solutions
