A nonmarkovian and nonlocal kinetic equation, which is a generalization of the (nonlinear) Balescu-Lenard equation, is derived for a weakly nonuniform multicomponent polarizable plasma. A specific expansion of the plasma resolvent, which allows to separate the dymamic, kinetic and hydrodynamic scales, is proposed. Explicit expressions of the collision integral and of the nonequilibrium pair correlation function are given in an approximation which takes into account the effects of spatial and temporal nonlocality as well as of the polarization. Balance equations for the momentum and energy densities are calculated in the first order in nonlocality, and potential contributions to the fluxes due to polarization are obtained.
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