With increase in the focus on environmental protection, firms are integrating sustainability issues in process and product innovations. Firms can contribute toward sustainability and also improve operational performance through green innovation practices. However, the adoption of green innovation practices depends on the proactivity of top managers toward environment management. In this paper, we study the relationships between proactive environment strategy, green process innovation (GPRI), and operational performance. Further, we examine the mediating effect of dynamic capabilities (DCs) (technological capabilities and organizational learning) between GPRI and operational performance. The proposed framework is tested by data collected from the Indian manufacturing industries and using partial least squares (PLS) technique. The findings demonstrate proactive environment strategy as an important antecedent for GPRI practices. Second, technological capabilities and organizational learning mediate between GPRI and operational performance. The results of the study are useful for managers in the manufacturing firms, who are interested to implement GPRI practices or who are in the early stage of implementing the GPRI practices.