will be necessary and we are now teetering on the edge of how to get to the slightly more difficult and expensive stage with full scale carbon capture and storage. i with full scale carbon capture and storage- with full scale carbon capture and storage. i received. on the limited time and storage. i received. on the limited time remaining, - and storage. i received. on the limited time remaining, power| limited time remaining, power plants, could we have a system where all power plants are essentially carbon neutral or carbon negative? the machines for sucking carbon negative? the machines for sucking carbon carbon negative? the machines for sucking carbon out - carbon negative? the machines for sucking carbon out of i carbon negative? the machines for sucking carbon out of the i for sucking carbon out of the air are slightly different to the machines which stop carbon dioxide going from a gas fuelled power plant into the air, but both of those can be built, both of those operat