Greenhouse Gases - How Do We Know?

The video discusses the history of CO2 concentration in the atmosphere over the last 10,000 years, highlighting a dramatic increase since the Industrial Revolution due to human activities like burning fossil fuels. It explains how cars and other fossil fuel uses contribute to CO2 emissions, which are invisible but detectable with infrared technology. The video also covers the broader impact of fossil fuel combustion on greenhouse gas levels, emphasizing the unprecedented changes in CO2, methane, and nitrous oxide levels, as revealed by ice core data.

What has caused the dramatic increase in CO2 levels since the Industrial Revolution?

How does burning fossil fuels contribute to CO2 emissions?

What is the significance of the statement 'the CO2 is invisible to our eyes'?

What are some sources of greenhouse gas emissions mentioned in the text?

How have ice cores helped us understand human impacts on CO2 levels?