To cite one example, the heat - trapping carbon dioxide emitted from tailpipes and factories collects over cities, creating CO2 «domes» that shroud the urban cores in toxic clouds of pollutants. (discovermagazine.com)
Scientists analyzing data from NASA's Cassini mission have discovered that a giant toxic cloud is hovering over the south pole of Saturn's largest moon, Titan. (pinterest.com)
Screamers absolutely demand stealthy takedowns, lest they spot you and summon more zombies, while Bloaters, which emit a lingering toxic cloud upon death, are best dispatched with ranged weaponry. (trustedreviews.com)