CO2: How to get negative

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Carbon dioxide can be captured and stored for ages. Does that help against climate change?

  • The industrialized world is struggling to get rid of carbon dioxide emissions. Most countries put their focus on switching from burning fuels to clean energies.
  • Some industries have difficulties to completely avoid CO2 emissions however. In steel or cement factories it is part of the production process.
  • Technical solutions like Carbon Capture and Storage (CCS) are designed to overcome this problem: CO2 is being captured close to the factory and then stored in appropiate geological structures.
  • The potential for the technology is huge. Northern European countries like Norway or Iceland are offering on-shore and off-shore caverns to store CO2.
  • Emissions can even be captured from thin air. But some environmental organizations criticize CCS as greenwashing. There are also warnings the technology might not be safe enough.
The Economist
The Guardian
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