The question considered hereâhow does population growth affect the direction. and magnitude of economic change today as world population approaches 6 billionâis. germane to a key argument invoked to defend international population assistance. programs since their inception in the early 1960s.
Late June-July 1971: Nixon Authorizes âPlumbers,â Orders Media Leaks to Smear Ellsberg. President Nixon authorizes the creation of a âspecial investigations unit,â later nicknamed the âPlumbers,â to root out and seal media leaks.
Plumber Certification Overview. West Virginia Law requires the certification of plumbers. Effective January 1, 2009, no plumber may perform or offer to perform plumbing work in West Virginia without a plumber certification issued by the West Virginia Division of Labor.