It is mutual fear and distrust that mostly generate world tensions and these can be traced in no small measure, like other root causes of worsening world conditions, to different people's conflicting and often intolerant, value-belief differences ... Whereas in the past science did little, if anything, to remedy this situation and in some ways made things worse, our reformed "macro-determinist" science that includes consciousness and subjective values ... provides common universal ethical foundations on which all nations could work to build a World Government or at least a World Security System to help control nuclear developments and other global threats that require international collaboration.