An explanation of greenhouse gases for the science museums atmosphere exhibition. Greenhouse gases trap heat and make the planet warmer. Greenhouse gases are essential to maintaining the temperature of the earth. Jan 30, 2017 greenhouse gases vary in not only their sources and the measures needed to control them, but also in how intensely they trap solar heat, how long they last once theyre in the atmosphere, and how they react with other gases and ultimately get flushed out of the air.
Apr 23, 2020 greenhouse gases are gases in earths atmosphere that trap heat. In addition to the unfccc and the kyoto protocol supplementing it, greenhouse gases must be reported yearly to the eu. Ppt the greenhouse effect powerpoint presentation, free download. Greenhouse gases cause the greenhouse effect on planets. The greenhouse effect ppt by keep calm and science on tpt. Thousands of new, highquality pictures added every day. The enhanced greenhouse effect leads to increased average global surface temperatures and climate changes. These heattrapping gases are called greenhouse gases. Greenhouse gases a students guide to global climate change.
The main industrial greenhouse gases are halocarbons generic formula cxhyhalz, where hal represents any halogen. Ppt greenhouse effect powerpoint presentation free to download. Introduction, history, causes of greenhouse gases, importance, disadvantages, future, solutions. Without certain gases in the atmosphere, life would not have been able to evolve on earth to what we see today. Greenhouse gases ppt 1 free download as powerpoint presentation. The contribution that a greenhouse gas makes to the greenhouse effect.
Sep 03, 2017 when used in the context of greenhouse gas emissions, it refers to the amount of co 2 that would give the same warming effect as the effect of the greenhouse gas or greenhouse gases being emitted over a given timeframe. This is two orders of magnitude lower than for conventional coalbased power production. Types of greenhouse gases greenhouse gases are gases that trap heat in earths atmosphere. If you would like to download all of the materials using a. Sources of atmospheric co 2 include volcanoes, the combustion and decay of organic matter, respiration by aerobic oxygenusing organisms, and the burning of fossil fuels, clearing of land, and production of cement by humans. The role of nuclear power in mitigating emissions from. Forcing greenhouse gases take many years to leave the atmosphere. Other greenhouse gases are carbon dioxide, methane, nitrous oxide, chlorofluorocarbon and ozone. Generally, 100 years is the standard time timeframe that is used. People are adding several types of greenhouse gases to the atmosphere, and each gass effect on climate change depends on three main factors. Molecules of greenhouse gases, especially water vapor and carbon dioxide, recycle some of the heat. The problems begin when human activities distort and accelerate the. The origins of greenhouse gases live green and earn points.
International agreements usually define global greenhouse gas emissions as the basket of greenhouse gases listed above expressed as co2e assuming a 100year global warming potential. Ppt greenhouse effect powerpoint presentation free to. An introduction to the major greenhouse gases in the earths atmosphere. Water vapor triggers the formation of positive feedback. Introduction the greenhouse effect is the rise in temperature that the earth experiences because certain gases in the atmosphere water. Progress in uranium enrichment has recently yielded significant energy intensity reductions. Forcing greenhouse gases global emissions 2012, international energy agency. The primary greenhouse gases in earths atmosphere are water vapor h 2 o, carbon dioxide co 2, methane ch 4, nitrous oxide n 2 o, and ozone o 3. A greenhouse gas sometimes abbreviated ghg is a gas that absorbs and emits radiant energy within the thermal infrared range.
Co 2, ch 4, n 2 o and the fluorinated gases are all wellmixed gases in the atmosphere. You may download presentation materials individually by selecting the links within the agenda below. Introduction the greenhouse effect is the rise in temperature that the earth experiences because certain gases in. Mar 23, 2017 greenhouse effect ppt and pdf free download. People are adding several types of greenhouse gases to the atmosphere, and each gass effect on climate change. Principal technician gordon brailsford and atmospheric scientist katja riedel talk us though how greenhouse gases are measured at the baring head monitoring station. In this video, professor scott denning of the atmospheric science department at colorado state university explains how greenhouse gases in earths atmosphere warm our planet. Apr 23, 2020 the greenhouse effect works much the same way on earth.
People produce larger amounts of some greenhouse gases than others. Even, when we sneeze, we considerably create an aerosol. Greenhouse effect ppt cover slide greenhouse effect ppt slide 1 greenhouse effect ppt slide 2 greenhouse effect ppt. People grow vegetables, flowers and other plants in them. Greenhouse gases consist of chemical compounds and make up a significant portion of the atmosphere. Greenhouse gases ppt 1 greenhouse effect atmosphere of earth. During the day, the sun shines through the atmosphere. Highwood line in figure 1 is the instrumental record which stretches back approximately 140 years, the blue line is the reconstructed temperature deduced from tree rings, ice. The contribution that a greenhouse gas makes to the greenhouse effect depends on the amount of it that it is the atmosphere and how much heat that particular gas absorbs and reradiates. Greenhouse effect powerpoint template sketchbubble.
Human activities are responsible for almost all of the increase in greenhouse gases in the atmosphere over the last 150 years. The ghg footprint of nuclear power at present amounts to 517 gco 2 eqkwh. It has the essential ingredient of the greenhouse effect, but it is missing numerous things that are important in the real atmosphere. The contribution of fluorinated greenhouse gases to global warming is projected to triple from nearly 2%. Greenhouse gases are naturallyoccurring and manmade compounds that trap heat around the earth, making temperatures warm enough to sustain plant and animal life. Greenhouse gases absorbs infrared radiation balance of energy of planet gets damage and.
Sep, 2017 water vapor feedback is able to reinforce the warming effect of other greenhouse gases. The amount of greenhouse gases in our atmosphere is the highest it has been in the last 3 million years. The major atmospheric constituents nitrogen, n2 and oxygen, o2 are not greenhouse gases. A lot of the suns energy reaches the ground directly, and a portion is reflected by the ground back into. Greenhouse effect the earths atmosphere traps sunlight like glass on a greenhouse the earth absorbs the heat and releases it to warm the air the rest of the. Greenhouse effect ppt and pdf free download study mafia. How a greenhouse works a greenhouse is a house made of glass.
In this way, the warming determined by increased levels of co2 will allow more water vapor to be. To understand the greenhouse effect, we need to understand how a real greenhouse works 3. These gases are called greenhouse gases because they produce greenhouse effects trapping heat that leads to increase in average earth temperature global warming refer to section on greenhouse gases. Specialists indicate that 95% of greenhouse gases represent water vapor. Introduction the greenhouse effect is the rise in temperature that the earth experiences because certain gases in the atmosphere water vapor, carbon dioxide, nitrous oxide, and methane, for example trap energy from the sun. Increased greenhouse gas emissions will result in increased average global temperatures. List of 5 major greenhouse gases and their sources. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. In this way, the warming determined by increased levels of co2 will allow more water vapor to be released into the atmosphere. Powerpoint presentation global warming and the coming.
Wallington, jayaraman srinivasan, ole john nielsen, ellie j. Environmental and ecological chemistry greenhouse gases and global warming timothy j. These gases are called greenhouse gases because they produce greenhouse effects trapping heat that leads to increase in average earth temperature global warming refer to section on greenhouse. In a greenhouse, the suns heat can come in but cannot go out. A lot of the suns energy reaches the ground directly, and a portion is reflected by the ground back into space. The major greenhouse gases come natural and manmade sources.
The faq discusses the relative potency, concentration and expected atmopsheric lifetime. When too many of these gases go into the earths atmosphere, it can result in an increase in global temperatures that is known as the greenhouse effect. Greenhouse gases are gases in earths atmosphere that trap heat. As incoming solar radiation is absorbed and reemitted back from the earths surface as. Most greenhouse gases are natural water vapor is the most common, and causes most of the greenhouse effect on earth. Carbon dioxide is the greenhouse gas you hear people talk. The greenhouse effect is a natural process that warms the earths surface. Feb 22, 2016 the greenhouse effect is a natural process that warms the earths surface. Greenhouse gases monitoring references national centers. These gases act as insulation for the earth and trap heat radiated by the sun that would otherwise be sent back out into space. They let sunlight pass through the atmosphere, but they prevent the heat that the sunlight brings from leaving the atmosphere. In this lively, animated presentation, professor denning first explains how visible light a form of.
From decaying wetlands and volcanoes to the food we eat and the energy it takes to provide us with heat and. Special seminar on greenhouse gases, carbon taxes and trading. Mar 11, 2018 greenhouse gases absorb reflected solar energy, making the earths atmosphere warmer. Atmospheric concentrations of greenhouse gases are the highest in at least 650,000 years as measured by antarctic ice core samples.
Mar, 2020 in addition to the unfccc and the kyoto protocol supplementing it, greenhouse gases must be reported yearly to the eu. What are greenhouse gases and the greenhouse effect. Greenhouse gases and their effect linkedin slideshare. Sustainable energy is the production and use of energy resources in ways that are compatible with longterm human wellbeing and ecological balance. Sources of atmospheric co 2 include volcanoes, the combustion and decay of organic matter, respiration by aerobic oxygenusing. When used in the context of greenhouse gas emissions, it refers to the amount of co 2 that would give the same warming effect as the effect of the greenhouse gas or greenhouse gases. Greenhouse gases trap heat in the atmosphere, which makes the earth warmer. Aerosol is a suspension in any medium like air, liquid or solid particles. The gases that contribute most to the earths greenhouse effect are. The index compares the combined warming influence of these gases each year to their influence in 1990, the year that countries who signed the u. Water vapor feedback is able to reinforce the warming effect of other greenhouse gases.
Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. These gases act as insulation for the earth and trap heat radiated by the sun that would otherwise be. Greenhouse gases vary in not only their sources and the measures needed to control them, but also in how intensely they trap solar heat, how long they last once theyre in the atmosphere. This greenhouse effect powerpoint template is easily downloadable and editable.
Powerpoint presentation global warming and the coming peaks. Greenhouse gas simple english wikipedia, the free encyclopedia. Statistics finland is the national entity responsible for the. Generally, a physical property of the atmosphere of earth is referred by an expression called greenhouse effect. They let sunlight pass through the atmosphere, but they prevent the heat that the sunlight brings from leaving the. Without greenhouse gases, the earth would be on average 33 degrees celsius colder. What is the greenhouse effect climate change basics.
Species mixing ratio source water vapour 10,000 to 2 ppmv natural methane 1. Of the greenhouse gases, carbon dioxide co 2 is the most prominent. Greenhouse effect and global warming teaching resources. Avoiding fluorinated greenhouse gases umweltbundesamt. Definition of the greenhouse effect detailed diagrams on how the greenhouse effect heats up the earth major. A powerpoint presentation designed for my lower set year 10 class covering deforestation and global warming focussing on where co2 and methane come from.
Other greenhouse gases are carbon dioxide, methane, nitrous oxide. Gases in the atmosphere, such as carbon dioxide, trap heat just like the glass roof of a greenhouse. Greenhouse gases from human activities are the most significant driver of observed climate change since the mid20 th century. Greenhouse effect video scott denning ucar center for. Greenhouse gases factsheet center for sustainable systems.
The greenhouse effect is a natural phenomenon that insulates the earth from the cold of space. Greenhouse gases absorb reflected solar energy, making the earths atmosphere warmer. Increased amounts of greenhouse gases, produced through human activities, act to strengthen the natural greenhouse gas effect. In addition to the above mentioned gases, there are significant number of gases like ozone that act as the greenhouse gases. This trapped heat helps in controlled growth of plants. Statistics finland is the national entity responsible for the greenhouse gas inventory in finland. The enhanced greenhouse effect leads to increased average global. Sources of greenhouse gas emissions greenhouse gas ghg. Find greenhouse gases stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection.