TVs themselves do not actually emit carbon dioxide the way a car does: no gas actually comes out of them. So when people refer to TVs or any household appliance “emitting” carbon dioxide, they are actually referring to electricity usage. Most people still get electricity from carbon dioxide-producing resources, so when you use your TV, you’re using electricity generated from a process that emits carbon dioxide, hence the idea that TVs themselves actually “emit” carbon dioxide.
Now that that’s cleared up, TVs can result in varied amounts of carbon dioxide emissions depending on how often they’re used, whether or not they’re properly turned off, whether or not they are widescreen TVs, and where your electricity comes from. TV use does not result in the emission of carbon dioxide near what automobile use does, but it does use a fairly large amount of electricity. You can go to the links below to get some solid numbers about how much carbon dioxide TV use results in emitting, depending on use time, TV model, and shut-off procedure.
For a comparison of energy use with other household appliances, see the link below. A standard television uses 150 watts, while a plasma television uses 339 watts.
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