Abstract
Worldwide fly ash (FA) generation would require about thousands of hectares of land for its disposal. This large area of the earth surface can be utilized as “potential sink” for carbon sequestration. FA dumps’ rehabilitation through ecological engineering that revitalizes ash disposal sites while simultaneously contributing to bioresources’ generation and carbon sequestration is an attractive strategy to meet scarcity of fuel wood and to combat the adverse effects of climate change. This chapter highlights research recommendations for carbon sequestration in the substrate-vegetation system of FA deposits toward the mitigation of climate change, need of carbon sequestration in FA deposits, limitations of carbon sequestration in FA deposits, and revitalization of FA ecosystem to enhance carbon sequestration by low-input biotechnology, using FA as an amendment for carbon sequestration, as well as a series of knowledge gaps for carbon sequestration in FA deposits are outlined. Finally, this chapter offers an opportunity to explore the research on carbon sequestration in the systems of FA deposits.
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