Constructing clean energy is not without greenhouse gas emissions, and the wastage of clean energy means that soemone else is required to use dirty energy. Now

Constructing clean energy is not without greenhouse gas emissions, and the wastage of clean energy means that soemone else is required to use dirty energy. Now once we get to a world of 100% clean energy this won't be true, but AFAIK only a few countries have achieved this so far, and it only occurs when weather conditions are just right.