Halloween-themed climate campaign aims to show horrors of methane gas

Gas Leaks advocacy group's ad resembling horror movie trailer is latest in broader push to counter fossil fuel industry messaging

You may have seen an unusual ad recently. It begins with an eerie, night-time shot of a house, then shows a woman in a dark kitchen heating a kettle over a gas flame.

Home: the one place you're supposed to be safe," a narrator says. But what if the danger is coming from inside the house?"