Sources of Greenhouse Gas Emissions | US EPA
Overview of Greenhouse Gases | US EPA
Global Fossil-Fuel CO2 Emissions
Global Carbon Emissions | National Geographic Society
Climate Change Indicators: U.S. Greenhouse Gas Emissions | US EPA
Humanity dumped 37 billion tons of CO2 into the atmosphere in 2020 | Mashable
U.S. historical CO2 emissions 1800-2019 | Statista
Who has contributed most to global CO2 emissions? - Our World in Data
Do The Math - supporting a 350.org tour — Carbon Visuals
Chapter 14 Flashcards | Quizlet
The Cost of Energy, Environmental Impact — The National Academies
Greenhouse gas emissions by the United States - Wikipedia
Carbon dioxide - Ballotpedia
Offset 10 Metric Tons — paleBLUEdot llc
Carbon dioxide in Earth's atmosphere - Wikipedia
How Much Carbon Dioxide Are We Emitting? – Climate Change: Vital Signs of the Planet
The U.S. Is the Biggest Carbon Polluter in History. It Just Walked Away From the Paris Climate Deal. - The New York Times
Annual CO2 emissions worldwide 1940-2020 | Statista
What is a "ton" of carbon dioxide anyway? | A New Shade of Green | Sherry Listgarten | Palo Alto Online
What is a ton of CO2, and how much do we emit? - the Tapio blog
Cumulative Emissions of CO2 - A Response to Climate Change
CO 2 emissions and utilization (million metric tons carbon equivalent... | Download Table
