<ul data-eligibleForWebStory="true">Nitrogen fixation is essential for plant growth, uses nitrogen gas from the atmosphere.Haber Bosch process dominates artificial nitrogen fixation, contributing to half of global sustenance.New approaches like non-thermal plasma and nitrogen-fixing bacteria aim to reduce emissions.While challenges exist like energy efficiency and scale-up, potential for greener fertilisers is promising.Innovative solutions needed for sustainable, climate-friendly fertiliser industry to support growing population.