PDF-The Global Warming Debate and the Arctic Ice Cap

100 The graph above based upon Sea Ice Data Center Courtesy Steve Deyo UCAR shows the amcoldest Arctic month for the years 1950indicates model forecasts based on climate models Meanwhile t. Decline in the extent and thickness of Arctic sea ice is an active area of scientific effort and one with significant implications for ecosystems and communities.. Forecasting for seasonal timescales (i.e., the summer and into fall) is of particular interest to many stakeholders.. 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. . What are the threats?. What are the facts?. What is best to do?. Objectives. Examine in a thorough, yet understandable way, the theory of man made global warming. Analyze its plausibility. Review other factors, besides CO2, that may also impact the climate.. The Environmental Debate . The Environment and Politics . Since the 1970s, there has been . a debate . over the state of the environment and the role of . government. Concerns about changes in the environment have . Climate Change Debate. Issues for Canada. NASA’s Evidence of Climate Change. Sea level rise. Global . sea level rose about 17 centimeters . in . the last century. The rate in the last decade, however, is nearly double that of the last . By Jasmine . Brierley. Greenland’s biomes. Biomes in Greenland. A biome is a large, natural . environment that includes . fauna and . flora in it.. There are two biomes in Greenland – Polar Ice Cap and Tundra.. 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. Its Impact on Earth’s Spheres and Sustainability. What constitutes a Polar Ice Cap?. A Polar ice cap is a high-latitude region of land or water that is covered in ice.. Ice caps form as ice accumulates year after year. As part of a cyclical process, each year some of the ice melts in the summer, and then reforms in the winter. . review of research in the Russian Arctic . where many Wadden Sea birds breed and where warming is fastest. Eldar . Rakhimberdiev. 1,2. Mikhail Soloviev. 2. Theunis. . Piersma. 1,3. 1. Department of Coastal Systems, NIOZ Royal Netherlands Institute for Sea Research, The Netherlands. What could we be facing in the years ahead?. How will the Arctic and Africa be affected?. Direct impacts – environmental, social and economic effects that occur in a specific place due to temperature and rainfall changes . 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. Arctic tundra greenness has increased since 1982, but trends and variability have become more complex since the early 2000s. . Have links between . tundra greenness. , . spring sea-ice extent. , and . MacGoy. 2012. Introduction. Irregular Weather Patterns. Increasing Global Temperatures. Worsening Human Health?. Changing animal populations and changing animal behavior. People and Groups who agree that Global Warming Exists.