New Delhi, a compelling area to research within sustainability is the multifaceted challenge of urban environmental sustainability in Delhi. This could encompass exploring the intertwined issues of severe air pollution from vehicular emissions and industrial activities, the unsustainable management of vast quantities of waste, the increasing strain on limited water resources, and the urgent need for developing green infrastructure and promoting sustainable urban planning. Research in this area could delve into policy effectiveness, technological solutions, community-based initiatives, and the socio-economic impacts of environmental degradation on Delhi's residents.