The present research paper outlines the environmental climatic challenges in Bihar, highlighted the climatic environmental issues describes the measures undertaken by Government of Bihar and reviews an extensive number of studies to address the environmental issues of different districts of Bihar state. The major aim of and objective to this present dissertation of environmental issue and challenges is to provide a sound foundation for the framework of future strategies to came out with these environmental issues to secure clean environment for future generations. Furthermore, the Government of India has also introduced the National Rural Drinking Water Supply Program in order to address the environmental issues in Bihar. The present dissertation highlights the potential future, risk and justifies a comprehensive research effort directed to obtaining definitive results. Indeed, a quick assessment, and adoption of remedial measures without delay, is imperative for the future of this aquatic system. The results indicated that, if the state address and talking into account the environmental climatic issues, there will be a great positive impact on state economy.