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Violence Prevention Educators gave out student designed buttons and stickers ahead of "Purple Thursday" on Oct. 19.

Refrigerants are chemical fluids that have made air conditioning and refrigeration possible, but they are hundreds or even thousands of times more powerful at warming the planet than carbon dioxide,

Refrigerants are chemical fluids that have made air conditioning and refrigeration possible, but they are hundreds or even thousands of times more powerful at warming the planet than carbon dioxide, the most notorious greenhouse gas. Although it’s not meant to happen, they leak and get into the air. The AC in your car may leak. Scientists estimate that HFCs, the most common type of refrigerant currently in use, could contribute to up to 0.5°C of global warming by the end of the century. Laws exist to regulate these planet-warming fluids, but they don’t cover all the bases. The ...

One of the most common ones, with the unfriendly name R-410A, is 2,088 times more damaging to the climate than carbon dioxide. So an essential way that people are staying cool is making the world warmer and more unstable.

Leaking home AC units are just one way refrigerants seep into the atmosphere, measurably raising levels and contributing to increasing extreme weather.