The concentration of carbon dioxide in the atmosphere is now 26 percent higher than it was just 200 years ago.

Question

Quizplus · Accepted Answer

The concentration of carbon dioxide in the atmosphere has increased by about 26 percent since the Industrial Revolution, which began around 200 years ago. This is primarily due to the burning of fossil fuels, deforestation, and other human activities that release carbon dioxide into the atmosphere.

The Concentration of Carbon Dioxide in the Atmosphere Is Now