Where Do Greenhouse Gas Emissions Come From?
While greenhouse gases are naturally occurring, human activities such as burning fossil fuels and making concrete emit them in large quantities. What are greenhouse gases? What activities cause the most emissions? And why are scientists and policymakers concerned? The comic below breaks it down.
How could humans limit emissions?
Read more about these solutions on the Caltech Science Exchange:
- Using alternative, or renewable, energy sources such as wind and solar to power cars, houses, businesses
- Capturing and storing the emissions before they reach the atmosphere
- Developing batteries to efficiently and safely store renewable energy
- Designing a power grid that can utilize renewable energy sources instead of fossil fuel
- Reimagining industrial chemical processes
