A molecule is a group of two or more atoms joined together by a chemical bond. In Acholi, we can describe this as “things joined together” or “elements that are combined.”

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Acholi chemistry refers to exploring and understanding chemical principles and practices within the Acholi people's culture and environment. Chemistry, fundamentally the science of matter—its properties, composition, structure, and reactions—has been integral to Acholi's traditional practices through Local knowledge systems passed down across generations.

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Air pollution refers to the presence of harmful substances in the atmosphere that negatively affect the environment and human health. These pollutants, which include gases like carbon dioxide, nitrogen oxides, sulfur dioxide, and particulate matter such as dust, smoke, and industrial emissions, can originate from both natural and human activities. Major sources of air pollution include the burning of fossil fuels, industrial processes, vehicle emissions, and agricultural practices. The consequences of air pollution are far-reaching, contributing to respiratory diseases, global warming, acid rain, and the depletion of the ozone layer, making it a critical issue for environmental sustainability and public health.

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