The Earth may warm by 1.4☌–5.8☌ over the next century, according to a variety of global climate models and development scenarios ( Pachauari and Reisinger, 2007). According to the Intergovernmental Panel on Climate Change ( Field et al., 2014 IPCC, 2022), each of the past three decades has gotten warmer, with the 2000s being the warmest. According to the World Meteorological Organization (WMO), the world is currently about one degree warmer than it was before heavy industrialization. It has reached unprecedented levels, as indicated by the incredible rates of increase in the air temperature and sea level ( Field et al., 2014). Today’s world is dealing with the significant issue of global warming. Global food production is in grave danger as a result of rising temperatures, climatic extremities, increased CO 2 and other greenhouse gas concentrations (GHGs), as well as changed precipitation patterns ( Shrestha, 2019). The majority of insects, including beetles, ants, honey bees, and butterflies are employed in this study as biological indicators since they are sensitive to even the slightest environmental changes and are also used to monitor different environmental toxins. Insects have been our main focus since they are key indicators of changes in soil, water, and air quality. In this review article, we’ve emphasized the use of insects as a resource for assessing contaminants and monitoring environmental contamination. Since they frequently come into contact with the harmful substances found in soil, water, and air, insects are particularly valuable for evaluating how human activities affect the terrestrial ecosystem, the aquatic system, and the atmosphere. The basic objective of bioindicator research is to find species that can reliably detect environmental disturbances and demonstrate how those disturbances affect other species or biodiversity as a whole. 8Department of Entomology, Sri Karan Narendra College of Agriculture (Jobner), Rajasthan, IndiaĮnvironmental contamination research has been quite interesting in bioindicators recently.Yashwant Singh Parmar University of Horticulture and Forestry, Nauni(Solan), Himachal Pradesh, India 7Department of Entomology, College of Horticulture, Dr.Rajendra Prasad Central Agricultural University, Pusa(Samastipur), Bihar, India 6Sugarcane Research Institute, Department of Entomology, Dr.YSR Horticultural University, Parvathipuram(Vizianagaram), Andhra Pradesh, India
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