Comparing CO2 Emissions: A Visual Story of Change Over Time

 When comparing numbers visually, one of the most powerful stories is how things evolve. Here is  a real-world example: comparing CO₂ emissions of several large emitters over time. You’ll see how to visualize and interpret it.

This line chart compares total CO₂ emissions (in billions of tons) by country from 1990 to 2020. As you can see:

• China’s emissions surged after 2000.
• U.S. emissions have slightly declined.
• India’s emissions are growing steadily from a lower base.

https://youtu.be/YUi31_ZrHTE