Where such methods are not available, then CCUS can be used to minimise emissions to atmosphere, as long as it is part of a longer-term transition to the elimination of emissions.
Lle nad oes dulliau o'r fath, gellir defnyddio CCUS i leihau allyriadau i'r atmosffer, cyn belled â'i fod yn rhan o'r newid tymor hwy i ddileu allyriadau.