How do human CO2 emissions compare to natural CO2 emissions?
Topic 1: Observed changes and their causes — IPCC
Analysis: Which countries are historically responsible for climate change? - Carbon Brief
Overview of Greenhouse Gases | US EPA
A Global Breakdown of Greenhouse Gas Emissions by Sector
How do human CO2 emissions compare to natural CO2 emissions?
CO2 emissions from human activities have imbalanced the atmospheric carbon budget, significantly contributing to climate change, contrary to online claim – Climate Feedback
globalwarmingindex.org -- Tracking progress to a safe climate
Greenhouse Effect 101 | NRDC
Climate change in Canada - Wikipedia
Main sources of carbon dioxide emissions | What's Your Impact
The U.S. Is the Biggest Carbon Polluter in History. It Just Walked Away From the Paris Climate Deal. - The New York Times
USDA ERS - Climate Change
How do human CO2 emissions compare to natural CO2 emissions?
Analysis: Which countries are historically responsible for climate change? - Carbon Brief
Climate myths: Human CO2 emissions are too tiny to matter | New Scientist
How do human CO2 emissions compare to natural CO2 emissions?
Here's How Much Food Contributes to Climate Change - Scientific American
Global Greenhouse Gas Emissions Data | US EPA
Global CO2 emissions have been flat for a decade, new data reveals - Carbon Brief
Impact of anthropogenic CO2 emissions on global human nutrition | Nature Climate Change
Greenhouse gas emissions by country and sector (infographic) | News | European Parliament
Are humans too insignificant to affect global climate?
Which emits more carbon dioxide: volcanoes or human activities? | NOAA Climate.gov
Frontiers | Agriculture's Contribution to Climate Change and Role in Mitigation Is Distinct From Predominantly Fossil CO2-Emitting Sectors
Climate Change Indicators: U.S. Greenhouse Gas Emissions | US EPA
Climate change and flying: what share of global CO2 emissions come from aviation? - Our World in Data
