5. Bright green- countries building their first reactors Green- countries building new reactors Tan- countries planning/considering their first reactors Olive green- countries planning/considering new reactors Blue- countries with reactors, but no plans for expansion or phase-out Light blue- countries with reactors considering phase-out Brown- countries which formerly had commercial reactors, but all have been phased out Gray- countries without commercial reactors Red- countries that have declared themselves free of nuclear power and weapons