Green house effect drawing

More • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • What is the Greenhouse Effect? A greenhouse is a house made of glass that can be used to grow plants. The sun’s radiations warm the plants and the air inside the greenhouse. The heat trapped inside can’t escape out and warms the greenhouse which is essential for the growth of the plants. Same is the case in the earth’s atmosphere. During the day the sun heats up the earth’s atmosphere. At night, when the earth cools down the heat is radiated back into the atmosphere. During this process, the heat is absorbed by the greenhouse gases in the earth’s atmosphere. This is what makes the surface of the earth warmer, that makes the survival of living beings on earth possible. However, due to the increased levels of greenhouse gases, the temperature of the earth has incr...

Global warming describes the current rise in the average temperature of Earth’s air and oceans. Global warming is often described as the most recent example of climate change. Earth’s climate has changed many times. Our planet has gone through multiple ice ages, in which ice sheets and glaciers covered large portions of Earth. It has also gone through warm periods when temperatures were higher than they are today. Past changes in Earth’s temperature happened very slowly, over hundreds of thousands of years. However, the recent warming trend is happening much faster than it ever has. Natural cycles of warming and cooling are not enough to explain the amount of warming we have experienced in such a short time—only human activities can account for it. Scientists worry that the climate is changing faster than some living things can adapt to it. In 1988, the World Meteorological Organization and the United Nations Environment Programme established a committee of climatologists, meteorologists, geographers, and other scientists from around the world. This Intergovernmental Panel on Climate Change (IPCC) includes thousands of scientists who review the most up-to-date research available related to global warming and climate change. The IPCC evaluates the risk of climate change caused by human activities. According to the IPCC’s most recent report (in 2007), Earth’s average surface temperatures have risen about 0.74 degrees Celsius (1.33 degrees Fahrenheit) during the past 100 year...

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The Greenhouse Effect Teaching Box Greenhouse Effect Teaching Box This teaching box provides resources related to the greenhouse effect. It will help you teach how the greenhouse effect works, and how it prevents Earth from becoming a frozen ball of ice, and why there is too much of it happening today. Teaching Boxes are themed collections of classroom-ready educational resources to build student understanding of science, technology, engineering, and math (STEM). Resources highlighted within teaching boxes are from various science education programs and all have been vetted by the education team at the UCAR Center for Science Education. This material is based upon work supported by the National Center for Atmospheric Research, a major facility sponsored by the National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.

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The greenhouse effect Without greenhouse gases in its atmosphere , the Earth would be much colder on average than it is now. Greenhouse gases: • absorb energy transferred as infrared radiation from the Earth’s surface • release infrared radiation in all directions, which keeps the Earth warm The diagram gives more details about this process, called the greenhouse effect . How the greenhouse effect works • electromagnetic radiation at most wavelengths passes through the Earth's atmosphere • the Earth absorbs most of the radiation and warms up • the Earth radiates energy as infrared radiation • some of the infrared radiation goes into space • some of the infrared radiation is absorbed by greenhouse gases in the atmosphere • the lower atmosphere warms up Question Name three greenhouse gases. Reveal answer

About these notes: This document uses the interactive IPython notebook format (now also called Jupyter). The notes can be accessed in several different ways: • The interactive notebooks are hosted on github at • The latest versions can be viewed as static web pages • A complete snapshot of the notes as of May 2015 (end of spring semester) are Many of these notes make use of the climlab package, available at