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We develop a geometro-dynamical approach to the cosmological constant problem(CCP) by invoking a geometry induced by the energy-momentum tensor of vacuum,matter and radiation. The construction, which utilizes the dual role of themetric tensor that it structures both the spacetime manifold andenergy-momentum tensor of the vacuum, gives rise to a framework in which thevacuum energy induced by matter and radiation, instead of gravitating,facilitates the generation of the gravitational constant. The non-vacuumsources comprising matter and radiation gravitate normally. At the level ofclassical gravitation, the mechanism deadens the CCP yet quantum gravitationaleffects, if can be strong in de Sitter space, can keep it existent.

Vacuum Energy as the Origin of the Gravitational Constant