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Answer Wiki. It turns out that sulfur hexafluoride, SF6, is the most potent greenhouse gas ever measured. Greenhouse gas potency is measured with an unit called the GWP or global warming potential, and it takes in account the molecule's ability to absorb infrared radiation and survival in the atmosphere. SF6 is an octahedral molecule, with six S-F bonds, each capable of absorbing infrared radiation very well.
All of these gases are harmful to the environment. One of the dangers of greenhouse gases is global warming. Polar ice caps are melting as a result of the greenhouse effect and this increases the sea level and cause floods to the coastal areas.Greenhouse gases, which increase the temperature around the globe, cause the tides to rise.reenhouse Gases-The Dangers. Greenhouse gases are dangerous to the environment. The most prevalent greenhouse gas is carbon dioxide. Carbon dioxide and other greenhouse gases are released into the atmosphere by agricultural practices and by the burning of fossil fuels.