The Club had previously addressed the issue of "mass immigration", and in 1988, the organization's Population Committee and Conservation Coordinating Committee stated that immigration to the U.S. should be limited, so as to achieve population stabilization.
俱乐部先前曾经提过“大规模移民”的问题，在1988年，该组织的人口委员会（Population Committee）和保护协调委员会（Conservation Coordinating Committee）声明说应当限制移民美国，来实现人口的稳定。