One of the earliest methods used by humanity to feed its expanding population is agriculture. The agricultural output is greatly influenced by geographical, climatic, and technical factors. Worldwide agriculture is under threat from reasons like global warming and climate change, which are followed by droughts, famine, and floods. This is true despite numerous innovations and quick advancements in agricultural methods and production. The indiscriminate human interference that leads to high contamination and toxicity is having a growing negative impact on the fresh and marine water sources that are the source of nutrient-rich natural food. Urbanization, modernization, and industrialization have put pressure on both agricultural and aquaculture. Aquaponics, aquaculture, aquaculture of algae, mariculture, and agrochemicals.