Turn off the TV.

Please turn off the television.

The fire fighters put out the fire.

Turn off the television. I can't concentrate.

Mennad grabbed the remote and turned off the TV.

I don't wear a watch. I switch off my computer, so I can't hear the email pinging into the basket, and I just slow down to his pace and we read.

But, even if everyone in the entire world cut all residential lighting, and this translated entirely into CO2 reduction, it would be the equivalent of China pausing its CO2 emissions for less than four minutes.