PPT-Glaciers, Climates and Global Warming

Glaciers Large masses of ice that form on land for a number of years more snow falls in winter than melts in summer deform and flow due to their own weight force of gravity strength of ice Parts in the Mountains. Many people consider that Global Warming is the greatest environmental threat of the 21. st. Century. . However, during the 80s and early 90s scientists argued about the causes and effects of global warming. . Click on the image at right to view the video. This is a YouTube video so ask your teacher for assistance.. After you watch the video think about some other misconceptions people may have about the seasons.. M. W. Frierson. Department of Atmospheric Sciences. Day 16: 05/20/2010. ATM S 111, Global Warming: Understanding the Forecast. Next Topic: . The Debate. Why is everyone so upset/confused/misinformed about global warming?. By Matthew and saeb . What is global warming. Carbon dioxide and other air pollution that is collecting in the atmosphere like a thickening blanket, trapping the sun's heat and causing the planet to warm up. Coal-burning power plants are the largest U.S. source of carbon dioxide pollution -- they produce 2.5 billion tons every year. Automobiles, the second largest source, create nearly 1.5 billion tons of CO2 annually. By Amanda Vang and Sydney Billington. What is Global. Warming?. Global warming is a when the earth’s temperature increases and it can change the earth’s climate permanently. Released greenhouse gases, increased amount of carbon dioxide, burning fossil fuels and human activities such as driving and cutting down trees and plants can cause global . Created and presented by Brandi graham. What is global warming and why is it happening? . Global warming is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth's climate. Liceo. . Scientifico. “G. . Galilei. ”. Pescara. S. 2012 – 2013. Nicoletta. . Corradi. 2^A. English Teacher: . Prof.ssa. . Miscia. Roberta. . “. Global Warming. ”. . is a word often studied at school, read in books or heard on TV… but what does the term mean exactly?. 1-. Contoski asserts that global warming is scientifically unproven. . 2-. and that the facts reveal that the earth periodically experiences changing climates. . 3-. Manmade emissions of carbon dioxide were not significant before worldwide industrialization began in the 1940s.. Define the Problem. Gather the Evidence. Identify the Causes. Evaluate an Existing Policy. Develop Solutions. Select the Best Solution (Feasibility . vs. Effectiveness. ). PPA Steps. What do you think Global Warming is?. vegetation. . Climate . is average of weather conditions for . . . 30 years. . . Climatologists employ many. different tools to organize the . wealth of information about . earth's climates to bring order. Coover ii 2008 Leslie Charles Coover ALL RIGHTS RESERVED Coover iii EXECUTIVE SUMMARY The greenhouse effect results when certain gasses trap the energy of the sun as it radiates upward from the eart Global warming is a key threat to biodiversity but few researchers have assessed the magnitude2climates calculated changes in habitatnumerous uncertainties in this approach we undertook a sensitivity Global warming is when the earth heats up and the temperature increases. More recently, the temperatures have been rising, causing more dangers for people, animals, plants and our environment.. The Greenhouse Effect. Robert G. Strom, Professor Emeritus. Department of Planetary Sciences and Lunar and Planetary Laboratory. University of . Arizona. Tucson, Arizona. List of Presentations. Part 1 --- Summary of Global Warming.