In countries and cities like Delhi, where air pollution is critically high, innovative and sustainable solutions are urgently needed to complement traditional environmental strategies. This paper introduces Green Solutions, a cutting-edge bioreactor system utilizing oceanic diatoms, highly efficient photosynthetic microalgae, to address pollution in urban and industrial areas where space constraints limit tree planting. This system is not intended to 
replace trees but to offer an alternative in locations where green spaces cannot be established, such as industrial zones, highways, and densely populated regions. The diatom-based bioreactors actively absorb carbon dioxide (CO₂) and release oxygen (O₂) through photosynthesis, providing a natural method to purify the air. Equipped with solar-powered LED lights, the system ensures year-round functionality, even during low-light conditions. By targeting industrial areas, this initiative aligns with environmental regulations requiring 
green spaces while providing a more effective solution for pollution control. The bioreactor not only reduces emissions but also produces biomass that can be converted into biofuels, fostering a sustainable circular economy.  This scalable and cost-effective innovation directly addresses pollution at its source, offering industries a proactive approach to environmental 
compliance. The glowing green bioreactors symbolize hope and progress, transforming polluted urban landscapes into healthier, oxygen-rich environments. Designed with India’s unique challenges in mind, Green Solutions represents a critical step toward revitalizing cities, reducing industrial emissions, and creating a cleaner, greener future.

Keywords: Oceanic diatoms, bioreactor, CO₂ capture, air purification, industrial pollution, sustainability, biomass, biofuels, urban greening, environmental compliance.