Landfills are an essential part of waste management, but they pose several significant hazards, particularly from the gases they emit. These gases, primarily composed of methane, carbon dioxide, and trace amounts of other gases such as volatile organic compounds (VOCs), hydrogen sulfide, and ammonia, are generated during the decomposition of organic waste under anaerobic conditions (in the absence of oxygen). While landfill gases can be harnessed for energy production, they also create numerous environmental and health risks that need careful consideration and management. One of the primary hazards associated with landfill gases is methane. Methane is a potent greenhouse gas, approximately 25 times more effective at trapping heat in the atmosphere than carbon dioxide. Its presence in the atmosphere contributes significantly to global warming and climate change. When released from landfills, methane can contribute to the formation of smog and other air quality issues, negatively impacting both the environment and public health. Moreover, methane is highly flammable, and its accumulation in closed areas can create explosive conditions. There have been instances of methane-induced fires and explosions at landfills, resulting in property damage, injuries, and even fatalities. In addition to the climate impacts and explosion risks, methane and other landfill gases can contribute to various health problems. Long-term exposure to elevated concentrations of landfill gases can irritate the respiratory system, leading to chronic conditions such as asthma and bronchitis. The VOCs emitted from landfills, including benzene, toluene, and xylene, are known carcinogens. Prolonged exposure to these chemicals can increase the risk of cancer, particularly leukemia and other blood-related cancers. Benzene, in particular, is associated with damaging the bone marrow and immune system, which can lead to various blood disorders. Hydrogen sulfide (H2S) is another dangerous component of landfill gases. It has a distinct odor reminiscent of rotten eggs and is highly toxic, even at relatively low concentrations. When inhaled, hydrogen sulfide can cause immediate health effects such as dizziness, headaches, nausea, and respiratory irritation. At higher concentrations, exposure can lead to more severe effects, including lung damage, central nervous system depression, and even death. Hydrogen sulfide exposure is particularly dangerous