Ppt the greenhouse effect and global warming powerpoint. The ppt focuses the issues facing our planet caused by greenhouse gases, looking at how its damaging nature as well as what we can do to help and be more sustainable. It is the process by which absorption and emission of infrared radiation by atmospheric gases warm a planets lower atmosphere and surface. Download the greenhouse effect and global warming ppt for free. Sep 07, 2007 the greenhouse effect is the warming of climate that results when the atmosphere traps heat radiating from earth toward space. The greenhouse is covered with a kind of plastic walls which permits all radiations from the sun. Global warming is the increase in the average temperature of earths nearsurface air and oceans since the mid20th century and its projected continuation. This global warming ppt presentation for students,presenters,educationist and others available for free. In media, it is synomonous with the term climate change. The global average concentration of water vapour quickly rises in response to an increase in global temperature, due to the increased waterholding capacity of a warmer atmosphere. The ability of certain gases, greenhouse gases, to be transparent to inbound.
Atmospheric concentrations of greenhouse gases are the highest in at least 650,000 years as measured by antarctic ice core samples our energy future choices and global warming are inextricably linked. Without the greenhouse effect, earth would be very cold, too cold for living things to live. Global warming this term refers to the general increase in the earths average temperature caused by the presence of greenhouse gases in the atmosphere. Global warming impact on greenhouse gases ag decision maker. These gases allow sunlight to enter the atmosphere freely. The greenhouse effect occurs when earths atmosphere traps solar radiation because of the presence of certain gases, which causes.
As the earth is getting hotter, disasters like hurricanes, droughts and floods are getting more frequent. Free download global warming powerpoint presentation with slides. Greenhouse effect and global warming environmental science. This rise in global average temperature is attributed to an increase in greenhouse gas emissions. Greenhouse gases absorbs infrared radiation balance of energy of planet gets damage and along with this, there will be a. Displaying powerpoint presentation on the greenhouse effect and global warming available to view or download.
The greenhouse effect is a leading factor in keeping the earth warm because it keeps some of the planets heat that would otherwise escape from the atmosphere out to space. Mar 23, 2017 greenhouse effect ppt and pdf free download. I hope you enjoy this online lecture on greenhouse effect and glob. Atmospheric concentrations of several greenhouse gases ghgs, including carbon dioxide co2, methane ch4, and nitrous oxide n2o, are increasing due to human activities and contributing to. Global warming greenhouse gases and climate in the atmosphere, gases such as h2o, co2, ch4, cfc, etc. Mar 28, 2018 greenhouse effect global warming ppt 1. Too much carbon dioxide and other greenhouse gases in air can make the greenhouse effect stronger which would result to global warming. National service training program 2, civic welfare training service. In 2007,the international panel on climate changeipcc started that there is a 90%. Over the last 100 years, the average air temperature near the earths surface has risen by a little less than 1 degree celsius or 1.
With this global warming powerpoint presentation discussed about global warming,global warming effects on the world,global warming causes and global warming solution. This animation illustrates the effects of increased greenhouse gasses on the atmosphere. Global warming ppt greenhouse effect global warming. A highly visual and interactive 40 slide powerpoint and quiz on global warming as part of your science or geography unit.
The study report on the greenhouse gases and their impact on global. The green house effect the greenhouse effect is a term that describes how natural gases in the earths atmosphere reduce the amount of heat escaping from the earth into the atmosphere. This results in the accumulation of toxic gases which causes difficulty in breathing. In the chart here we see global average concentrations of co 2 in the atmosphere over the past 800,000. Feb 22, 2016 without the greenhouse effect, earth would be very cold, too cold for living things to live. The greenhouse effect and global warming 1 the greenhouse effect and global warming 2 diffuse radiation diffuse radiation clear skies 80 of insolation reaches the surface cloudy skies 1045 of insolation may reach the surface 3 the greenhouse effect. Global warming and the greenhouse effect slideshare. Certain gases in the atmosphere resemble glass in a greenhouse, allowing sunlight to pass into the greenhouse, but blocking earths heat from escaping into space. Apr 23, 2017 global warming ppt and pdf free to download. Global warming occurs when carbon dioxide co2 and other air pollutants and greenhouse gases collect in the atmosphere and absorb sunlight and solar radiation that have bounced off the earths surface. Global warming ppt global warming greenhouse effect. This indicator describes emissions of greenhouse gases worldwide. The additional greenhouse gases are contributing to global warming and to associated climatic changes.
Global warming potential role of energy emissions by sector greenhouse gas emissions individual emissions in the united states, approximately 6. Global warming is caused by several causes such as pollution from factories, carbon dioxide from rotting trees, the burning of coal, natural gasses and fossil fuels lead to methane traveling into the earths atmosphere any transportation vehicles, water vapor, and many other little things, which contribute to make global warming even worse. Greenhouse gases absorbs infrared radiation balance of energy of planet gets damage and. This is in distinction to adaptation to global warming which involves taking action to minimize the effects of global warming. Different greenhouse gases in the atmosphere causes of greenhouse gases the emission of greenhouse gases cause. As with most changes, this will provide both opportunities and threats for midwest agricultural producers. Destruction of ecosystems mitigation of global warming involves taking actions to reduce greenhouse gas emissions and to enhance sinks aimed at reducing the extent of global warming. Global warning and climate change linkedin slideshare. The clear effect of the greenhouse gases is the stable heating of earths atmosphere and surface, thus, global warming. Some of this energy is radiated back into the atmosphere.
Global warming ppt free download as powerpoint presentation. Greenhouse greenhouse effect sources of greenhouse gases global warming steps to reduce global warming. Atmospheric concentrations of several greenhouse gases ghgs, including carbon dioxide co2, methane ch4, and nitrous oxide. What is carbon sequestration and what is the best way to sequester carbon. Greenhouse gases relative significance carbon dioxide gas is the greatest overall contributor to the greenhouse effect. Normally, this radiation would escape into spacebut these pollutants, which can last for years to centuries in the atmosphere, trap the. Greenhouse gases have increased from human activity. An introduction to global warming for students in grades 68. Generally, a physical property of the atmosphere of earth is referred by an expression called greenhouse effect. Increasing emissions of greenhouse gases due to human activities worldwide have led to a substantial increase in atmospheric concentrations of longlived and other greenhouse gases see the atmospheric. The greenhouse effect and global warming xpowerpoint.
The greenhouse effect serves to keep the long term annual average temperature of the earth approximately 32c higher than the earths temperature would be. Increased greenhouse gas emissions will result in increased average global temperatures. Global warming is when the earth heats up the temperature rises. There are two ways that a greenhouse gas can enter our atmosphere. Climate change due to global warming greenhouse gases greenhouse gases list. Pdf greenhouse gases and global warming researchgate. Even if we are overestimating our own impact on global warming reduction in greenhouse gases is still good for the environment and society reduction of dependence on foreign oil. Their use was banned to protect the ozone layer, but cfcs also act as greenhouse gases. Pdf greenhouse gas emissions, global warming and climate. Global warming is the increase in the average measured temperature of the earths nearsurface air and oceans since the mid20th century, and its projected continuation. The earths atmosphere has always acted like a greenhouse to capture the suns heat, ensuring that the.
These are gases which prevent the heat from escaping from the earth. May 12, 2019 use this free global warming powerpoint template to aware people about the ill effects of the increased toxic gases in the environment. This result in an increase in average temperature of the earth and the earth becomes hotter and hotter. Earths natural greenhouse effect is critical to supporting life, and initially was a precursor to life moving out of the ocean onto land. Global greenhouse gas emissions by gas, 19902010 this figure shows worldwide emissions of carbon dioxide, methane, nitrous oxide, and several fluorinated gases from 1990 to 2010. Global warming will have a profound impact on global agriculture, with yet unknown influences on midwest agriculture. Concept of global warming global warming is a continuing increase in the earths overall temperature. Global warming is the slow increase in the average temperature of the earths atmosphere because an increased amount of the energy heat striking the earth from the sun is being trapped in the atmosphere and not radiated out into space. Increasing the earths temperature, especially a sustained increase to cause climate change. Presentation pdf available february 2014 with 7,209 reads.
It happens when greenhouse gases carbon dioxide, water vapor, nitrous oxide, and methane trap heat and light from the sun in the earths atmosphere, which increases the temperature. Powerpoint presentation global warming and the coming peaks. Download this books into available format 2019 update. This book discusses the global greenhouse gas emissions which cause the global warming in the atmosphere. This article discusses the role greenhouse gases play in global warming. Greenhouse gas emissions, global warming and climate change. The basics of the greenhouse effect and climate changeglobal warming are discussed. The greenhouse gases cfcs chlorofluorocarbons cfc were traditionally used in fridges and freezers.
The intergovernmental panel on climate change ipcc concludes most of the. A greenhouse or a farm house is a very big enclosure for the plants in a farm to save them from an extremely cold temperature in winter. Increase in the amount of greenhouse gases in the atmosphere enhances the greenhouse effect which is the reason for global warming and consequently climate change. However, if the greenhouse effect is too strong, earth gets warmer and warmer.
Global warming presentation by powerpoint go youtube. The thicker layer of greenhouse gases traps more heat. Human activities, however, mainly the burning of fossil fuels and clearcutting of forests, have accelerated the greenhouse effect and caused global warming. Greenhouse effect global warming ppt linkedin slideshare. Earth absorbs about 75 % of the total solar energy reaching its surface thereby increasing its temperature. Check out our video on greenhouse effect and global warming by letstute. A free powerpoint ppt presentation displayed as a flash slide show on id. Popular name for process whereby greenhouse gases in atmosphere absorb longwave. Free download global warming powerpoint presentation with. Sea level is rising and snow and ice cover is decreasing. The troposphere has a thick layer of carbon dioxide and this layer of carbon dioxide serves as a roof of the. Global warming global warming is the rise in the average. Naturally occurring greenhouse gases have a mean warming effect of about 33 c 59 f, without which earth would be uninhabitable. Arial default design the greenhouse effect and global warming slide 2 what is the greenhouse effect.
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