The global phase-out of mercury thermometers has been driven by environmental and health concerns due to the toxicity of mercury. Several countries and regions have implemented regulations and bans to restrict the manufacture, sale, and use of mercury-containing devices, including thermometers. Here are some key developments:
- Minamata Convention on Mercury: Adopted in 2013, this international treaty aims to protect human health and the environment from the adverse effects of mercury. It includes provisions for the phase-out of certain mercury-added products, including thermometers, and encourages the use of alternatives.
- National and Regional Regulations: Many countries and regions have enacted laws and regulations to phase out mercury thermometers or restrict their use. For instance, the European Union (EU) has prohibited the sale of most mercury thermometers since 2009. Similarly, countries like the United States, Canada, and several others have implemented restrictions or bans on mercury thermometers.
- Promotion of Alternatives: Alongside regulations, efforts have been made to promote alternative thermometers that do not contain mercury. Digital thermometers, infrared thermometers, and alcohol-filled thermometers are among the safer alternatives that have gained popularity.
- Health and Environmental Concerns: The phase-out of mercury thermometers is driven by the recognition of the health risks associated with mercury exposure. When broken, mercury thermometers release vapors that can be harmful if inhaled, leading to neurological and other health problems. Moreover, improper disposal can lead to mercury contamination in soil, water, and wildlife.
- Public Awareness and Education: Efforts have been made to educate the public, healthcare professionals, and industries about the risks of mercury exposure and the importance of using safer alternatives. This includes information about proper handling, disposal, and recycling of mercury-containing devices.
Overall, the global trend has been to move away from mercury thermometers in favor of safer alternatives to protect both human health and the environment. However, there might still be variations in regulations and enforcement across different regions or countries.