The Science
of Warming
Greenhouse Gases
The concentration of greenhouse gases in the Earth's atmosphere is directly linked to the average global temperature. Concentrations have been rising steadily since the Industrial Revolution.
2/3
Carbon Dioxide (CO2)
The most abundant greenhouse gas, primarily produced by burning fossil fuels.
80X
Methane Potential
Over 80 times more powerful than CO2 in its warming potential during the 20 years after release.