I saw a news item today about a man being poisoned to death due to inhalation of carbon monoxide being emitted from an LPG water heater. This happened in Delhi last year and was brought to the public by the deaceased's father on CNN IBN Citizen Journalist today.

A man can die within a half hour of inhaling 1% of this gas.

So, my concern is- since not many people know about this silent killer. What steps can be taken to spread the knowledge and prevent anything like this happening with any of us?