The main greenhouse gas culprits are water vapor, carbon dioxide, nitrous oxide, methane, and fluorinated gases. How long does that gas stay in the atmosphere. Though HFCs currently represent around 1% of total greenhouse gases, their impact on global warming can be hundreds to thousands of times greater than that of carbon dioxide per unit of mass. Fluorinated greenhouse gases impact on climate change. Climate change refers to significant change in the measures of climate, such as temperature, rainfall, or wind over a long period of time. Greenhouse gases, which also include water vapour and fluorinated gases, make the Earth a favourable place to live because they stop the Earth’s heat energy from escaping into space. Without these gases, the average temperature of the Earth’s surface would be -19℃. The greenhouse gases in the atmosphere can both absorb and re-radiate much of the outgoing heat energy. How powerful is it? The atmospheric concentrations of some greenhouse gases are being affected directly by human activities namely carbon dioxide (CO 2 ), methane (CH 4 ), nitrous oxide (N 2 O), ozone (O 3 ), and synthetic gases, such as chlorofluorocarbons (CFCs) and hydrofluorocarbons (HFCs). The EU is taking regulatory action to control F-gases as part of its policy to combat climate change. Fortunately, there are simple changes humans can make to reduce the impact of fluorinated gases on the Earth. A balancing act. This is known as the greenhouse effect. Climate change is a natural phenomenon. They pose a threat to the atmosphere particularly because they are not a natural component of it. Fluorinated Gases (HFCs, PFCs, SF 6) Fluorinated gases are emitted in smaller quantities than the other greenhouse gases, but what they lack in volume they can make up in potency and long lifespans in the atmosphere, ranging from 1-270 years for HFCs to 800-50,000 years for PFCs and about 3,200 years for SF6. Fluorinated gases have a global warming potential (GWP) up to 23,000 times greater than carbon dioxide. Fluorinated gases may only account for 3% of greenhouse gas emissions, but they are 23,000 times stronger than CO 2. Assuming no new regulation, … F-gases are often used as substitutes for ozone-depleting substances, because they do not damage the atmospheric ozone layer. Like other long-lived greenhouse gases, fluorinated gases are well-mixed in the atmosphere, spreading around the world after they are emitted. When sunlight reaches the Earth, two things can happen. Tropospheric ozone also contributes to the greenhouse effect. Many HFCs are very powerful greenhouse gases and a substantial number are short-lived climate pollutants with a lifetime of between 15 and 29 years in the atmosphere. In general, fluorinated gases are the most potent and longest lasting type of greenhouse gases emitted by human activities. Fluorinated gases (‘F-gases’) are a family of man-made gases used in a range of industrial applications. Fluorinated gases are removed from the atmosphere only when they are destroyed by sunlight in the far upper atmosphere. Some greenhouse gases trap more heat than others. Major Greenhouse Gases .
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