RealClimate: The global CO2 rise: the facts, Exxon and the favorite denial tricks
Visualizing Global Per Capita CO2 Emissions
Are humans causing or contributing to global warming? | NOAA Climate.gov
Who has contributed most to global CO2 emissions? - Our World in Data
Challenges and opportunities for carbon neutrality in China | Nature Reviews Earth & Environment
Global Warming: A closer look at the numbers
Topic 1: Observed changes and their causes — IPCC
Greenhouse gas emissions - Wikipedia
Global Greenhouse Gas Emissions Data | US EPA
Climate myths: Human CO2 emissions are too tiny to matter | New Scientist
How do human CO2 emissions compare to natural CO2 emissions?
Near-real-time monitoring of global CO2 emissions reveals the effects of the COVID-19 pandemic | Nature Communications
Contributions of natural systems and human activity to greenhouse gas emissions - ScienceDirect
Food production is responsible for one-quarter of the world's greenhouse gas emissions - Our World in Data
Drivers of change in China's energy-related CO2 emissions | PNAS
How much CO2 does Cycling really Save? | ECF
globalwarmingindex.org -- Tracking progress to a safe climate
Climate change | Population Matters
Sources of Greenhouse Gas Emissions | US EPA
Sustainability | Free Full-Text | Overview of Biodiesel Combustion in Mitigating the Adverse Impacts of Engine Emissions on the Sustainable Human–Environment Scenario | HTML
Greenhouse Effect 101 | NRDC
Which emits more carbon dioxide: volcanoes or human activities? | NOAA Climate.gov
Carbon uptake has doubled over last 50 years - but where is it going? - Carbon Brief
Why, despite most human activity effectively stopping, are CO2 emissions only predicted to fall around 5% this year? - Quora
Drivers of change in China's energy-related CO2 emissions | PNAS