Nearly 700 whales have washed ashore in the U.S., Canada and Mexico since 2019. Oregon State University researchers believe they’ve found the cause.
One of the most common ones, with the unfriendly name R-410A, is 2,088 times more damaging to the climate than carbon dioxide.PHILADELPHIA — When Jennifer Byrne, owner and technician at Comfy Heating and Cooling, gets a call to come and fix a relatively new air conditioning system, one of the first questions she asks is if the house has just been remodeled.
Byrne's truck is loaded with tools, canisters, hoses, and special sealed cylinders, including an industry-pink one that holds the potent R-410A. When she works on a leaking AC unit, she drains the remaining refrigerant into one of the cylinders for safe storage while she takes things apart. “I wouldn’t say are cutting corners necessarily, but let’s put it this way — it’s cheaper to leak the refrigerant than to build a leak-proof system,” Wright said.
Refrigerant that cannot be reused goes through a very high-temperature process called pyrolysis so the gases are destroyed. Business is booming.At the same time the chemical industry is looking for replacements. So far, some are much better for the climate, but could have other negatives, like being flammable, and their long-term impact on the environment isn't known.
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