The term "hazardous" refers to something that poses a risk or danger to health, safety, or the environment. This can include materials, substances, or situations that can cause harm, such as chemicals, waste, or unsafe working conditions. Understanding what is hazardous is important for preventing accidents and protecting people and ecosystems. In many industries, hazardous materials are regulated to ensure safe handling and disposal. For example, hazardous waste must be managed according to specific guidelines to minimize risks. Proper training and equipment are essential for workers who deal with hazardous substances to ensure their safety and the safety of others.