This book highlights the impact of COVID-19 on sustainable waste management and air emission, using various case studies. The year 2020 was a historical year mainly due to the pandemic caused by COVID-19 and it influenced or affected the global economy, business models and the industrial sectors, thus impacting sustainability in various ways. Given that sustainability has many faces and facets, it is worthwhile to deal with the relation (or impact) of COVID-19 on various elements of sustainability. This book presents how COVID-19 has influenced waste management and air quality.