Climate Connections The basics of climate change in 90 seconds
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Mar 2, 2026 Quick primer on how sunlight and CO2 interact to warm the planet. A simple explanation of the greenhouse effect and why higher CO2 acts like a heat-trapping blanket. A look at how rising carbon levels are linked to stronger hurricanes, deeper droughts, and more intense heat waves.
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CO2 Levels Are Unprecedented And Cause Warming
- CO2 is now higher than at any time in at least 800,000 years and is largely from burning coal, oil, and gas.
- Anthony Leiserowitz explains that accumulating CO2 traps heat via the greenhouse effect, likening it to a blanket around the planet.
Greenhouse Effect Explained Concisely
- Scientists have known since the 1800s that CO2 traps heat and creates the greenhouse effect that warms Earth.
- Anthony Leiserowitz describes the process: sunlight warms Earth, some heat radiates to space, and CO2 traps some heat like a blanket.
Rising CO2 Intensifies Extreme Weather
- As CO2 levels rise, too much heat is trapped and the Earth gets hotter, which makes extreme weather more destructive.
- Leiserowitz links rising CO2 directly to stronger hurricanes, droughts, and heat waves as consequences of warming.