Aerosol cans can be considered simple to use but problematic when thrown away. They could possibly contain goods or propellants that are disposed of as hazardous trash. Cans that haven't been entirely emptied yet still contain some propellant. The US EPA may classify this as hazardous trash. The EPA has published instructions for the proper disposal of partially used aerosol cans. The most common aerosol propellants are butane, propane, and carbon dioxide. These are greenhouse gases that cause pollution and contribute to global warming.
Concerns have been expressed about the harm that aerosol propellants do to the ozone layer and climate by organizations like the National Aeronautics and Space Administration (NASA) and the National Science Foundation (NSF) Center for Aerosol Cans Market Impacts on Climate and Environment (CAICE). Therefore, it is anticipated that these issues with aerosol can usability would expose the market for aerosol cans to a possible challenge and may restrain its expansion.
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