Readers ask: 6. Which Greenhouse Gas Is A Major Focus Of Public Discussion?

What is the gas causing most of the greenhouse discussion?

U.S. Greenhouse Gas Emissions. Carbon dioxide accounts for most of the nation’s emissions and most of the increase since 1990. Transportation is the largest source of greenhouse gas emissions in the United States, followed by electricity generation.

Which greenhouse gas is the most important?

Of the greenhouse gases, carbon dioxide (CO2) is the most prominent. Sources of atmospheric CO2 include volcanoes, the combustion and decay of organic matter, respiration by aerobic (oxygen-using) organisms, and the burning of fossil fuels, clearing of land, and production of cement by humans.

What is the major source of greenhouse gases?

The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation.

What are the 4 significant greenhouse gases?

The main gases responsible for the greenhouse effect include carbon dioxide, methane, nitrous oxide, and water vapor (which all occur naturally), and fluorinated gases (which are synthetic). Greenhouse gases have different chemical properties and are removed from the atmosphere, over time, by different processes.

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What is the biggest contributor to global warming?

Electricity and Heat Production (25% of 2010 global greenhouse gas emissions): The burning of coal, natural gas, and oil for electricity and heat is the largest single source of global greenhouse gas emissions.

What is the significance of greenhouse gas?

Greenhouse gases keep our planet livable by holding onto some of Earth’s heat energy so that it doesn’t all escape into space. This heat trapping is known as the greenhouse effect. Just as too little greenhouse gas makes Earth too cold, too much greenhouse gas makes Earth too warm.

What is the most dangerous greenhouse gas?

Atmospheric levels of carbon dioxide —the most dangerous and prevalent greenhouse gas—are at the highest levels ever recorded.

Why is water not a greenhouse gas?

Reply: “Forget the CO2. Water vapor is the most important greenhouse gas. However, water vapor does not control the Earth’s temperature, but is instead controlled by the temperature. This is because the temperature of the surrounding atmosphere limits the maximum amount of water vapor the atmosphere can contain.

Which is not a greenhouse gas?

The various greenhouse gases are carbon dioxide, methane, chlorofluorocarbon, ozone, nitrous oxide, and water vapor. Hence the gas which is not a greenhouse gas is nitrogen and the correct answer for the given question is option d).

What are the 5 most common greenhouse gases?

The main greenhouse gases are:

  • Water vapor.
  • Carbon dioxide.
  • Methane.
  • Ozone.
  • Nitrous oxide.
  • Chlorofluorocarbons.

How humans can reduce the level of greenhouse gases?

Using public transportation, carpooling, biking, and walking, leads to fewer vehicles on the road and less greenhouse gases in the atmosphere. Cities and towns can make it easier for people to lower greenhouse gas emissions by adding bus routes, bike paths, and sidewalks.

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What is the biggest single cause of air pollution?

In terms of overall range and extents of impacts, however, it is my opinion that burning of fossil fuels (coal, gasoline, etc..) is the single largest source of air pollutants. These fuels cause smog, acid rain, soot and particulates increases, greenhouse gas emissions, and dispersal of some heavy metal contaminants.

Which greenhouse gas traps the most heat?

Methane. Methane, the main component of natural gas, is a potent greenhouse gas that traps about 20 times as much heat as carbon dioxide.

Which greenhouse gas has highest global warming potential?

Chlorofluorocarbons (CFCs), hydrofluorocarbons (HFCs), hydrochlorofluorocarbons (HCFCs), perfluorocarbons (PFCs), and sulfur hexafluoride (SF6) are sometimes called high-GWP gases because, for a given amount of mass, they trap substantially more heat than CO2.

Which gas is responsible for global warming?

Global Warming Potential (100-year): 1 Carbon dioxide (CO2) is the primary greenhouse gas emitted through human activities.

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