The pulp and paper industryPulp and paper industries is essential but resource-intensive, producing significantPulp and paper industry wasteChemicals and emissionsEmissions. Green chemistryGreen chemistry—designing processes that minimize hazardous substances—offers sustainable solutions. This chapter reviews green approaches in pulpingPulping, bleachingBleaching, enzymatic treatmentsEnzymatic treatments, and wastewater managementWastewater management, highlighting benefits such as reduced environmental impactEnvironmental impacts, improved efficiency, and economic gains. Challenges include high investment and technical barriers. Case studies demonstrate successful implementation of hydrogen peroxideHydrogen peroxide bleachingBleaching, enzymatic pulpingPulping, and organosolv processing. Future directions focus on biotechnology, nanotechnology, and circular economyCircular economy strategies to enable low-impact, sustainable pulp and paperPulp and paper production.