Carbon Capture and Storage
Lesson notes
Overview
CO₂ is separated from emissions and injected underground. This topic is rated advanced and is number 90 of 98 in Earth & Space. Deeper models, formal results and harder reasoning.
What you are seeing
The panel above shows the steps of a process, laid out in order. Click a step to see what happens next. The animation is drawn live from the model, so everything you see responds to the sliders. Press Space to pause, use Restart to replay from the start, and change the speed to slow down quick events.
In depth
Carbon capture and storage removes CO₂ from the flue gases of power stations and industry, using solvents that absorb it, then compresses it and injects it deep underground into rock formations such as saline aquifers or depleted oil fields, where it is trapped. It could reduce emissions from sources that are hard to decarbonise, such as cement and steel. Challenges are the energy it uses, high costs, the need for pipelines and long-term monitoring for leaks.
Reading the relationship
The expression "CCS" is a compact summary of the idea. It uses the symbols C, S; name what each one stands for before you start. Then use the sliders to see how changing one quantity changes the others.
A guided exploration
1. Run the animation once with the default settings and describe in words what happens. 2. Change one slider at a time and note which quantity responds most. 3. Push each slider to its extreme and decide whether the result still makes sense.
Try this
Try to explain why the pattern holds, not just what it is. Look for limiting cases and what happens at the edges.
Common pitfalls
Earth and space systems work on very different scales of time and distance. Check which scale a number refers to before comparing it with another.
How it connects
It builds on “How Telescopes Work”, the topic before it in Earth & Space. Once you are comfortable, continue with “Renewable Energy Mix”.
Why it matters
Earth and space science helps us understand our planet, its climate and the wider universe.
Where you might use it
- Revising “Carbon Capture and Storage” before a class, exam or certification
- Forecasting weather and understanding climate records and their uncertainty
- Planning for earthquakes, floods and other natural hazards in cities
- Interpreting satellite images, space missions and the age of rocks and stars
Frequently asked questions
What is Carbon Capture and Storage?
CO₂ is separated from emissions and injected underground. It is an advanced topic in Earth & Space.
How do I use the Carbon Capture and Storage simulation?
The panel at the top shows the steps of a process, laid out in order. Click a step to see what happens next. Move the sliders one at a time, then press Space to pause the animation and look closer.
What does the formula mean?
The expression CCS packs the idea into symbols. Name each symbol first, then change one quantity with the sliders and see which others respond.
Who is this topic for?
Deeper models, formal results and harder reasoning. If the quiz feels hard, reread the lesson notes and try the previous topic first.
What should I learn before this?
Start with “How Telescopes Work”, the previous topic in Earth & Space. Each topic in a subject builds on the ones before it.
How do I track my progress?
Press “Mark as learned” on this page. Progress is stored only in this browser and is never sent anywhere. The Browse page can show topics you have learned or still need to learn.