Day 13 in MAT227
What are the main sources of carbon dioxide emissions? | Carbon dioxide, Emissions, Greenhouse gases
Which emits more carbon dioxide: volcanoes or human activities? | NOAA Climate.gov
Global Warming Interactive - Human Carbon Emissions | Lab Aids
Most Of The Rise In CO2 Likely Comes From Natural Sources
The human fingerprint in global warming
How Much of Atmospheric CO2 Increase is Natural? « Roy Spencer, PhD
Climate Justice and Equity — Global Issues
Carbon uptake has doubled over last 50 years - but where is it going? | Carbon Brief
Anthropogenic carbon emissions - Energy Education
Contributions of natural systems and human activity to greenhouse gas emissions - ScienceDirect
Main sources of carbon dioxide emissions | What's Your Impact
Climate change | Population Matters | Every Choice Counts | Sustainable World Population
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
Economic Growth and Climate Change Part 1 - Factors Influencing CO2 Emissions
Global Warming: A closer look at the numbers
Greenhouse gases' effect on climate - U.S. Energy Information Administration (EIA)
Climate Basics for Kids — Center for Climate and Energy Solutions
The global CO2 rise: the facts, Exxon and the favorite denial tricks « RealClimate
