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Ozone (O3) plays two very different roles depending on where it is located in the atmosphere. In the stratosphere, it acts as a protective layer, shielding life on Earth from the sun’s harmful ultraviolet (UV) radiation. However, at ground level (in the troposphere), ozone is a harmful pollutant and a powerful greenhouse gas. Ozone as…
Methane (CH4): The Short-Lived but Powerful Greenhouse Gas
Methane (CH4) is a powerful greenhouse gas that traps heat in the Earth’s atmosphere, making it a major contributor to global warming. Though it stays in the atmosphere for a much shorter time than CO2 (about 12 years compared to centuries for CO2), methane is roughly 25 times more effective at trapping heat over a 100-year period.
