Global warming is caused by the greenhouse effect, which is essential to life as we know it on planet earth. According to nasa and ipcc, global temperature has increased by 1. They will answer questions on this article and fill in a graphic organizer. Since preindustrial times, global average temperatures have increased by about 0. Global warming as well as global cooling refers specifically to any change in the global average surface tem perature. Global warming and climate change have different technical definitions, although they are often used interchangeably in popular media. The only quantitative and internally consistent explanation for the recent global warming includes the intensified greenhouse effect caused by. You are welcome to download and print single copies for your personal use. Three free ebooks on global warming and climate change.
The accumulation in the earths atmosphere of these gases is mainly the result of the gargantuan consumption of the developed countries, particularly the united states. Atmospheric co2 concentration and global mean temperature increase with the rapid increase of co2 emission. Lesson objectives by the end of this lesson, students will. Both humanmade and natural factors contribute to climate change. While global warming is sometimes what we hear about, what is usually stressed are catastrophic or emotionally affecting alleged consequences of warming. Global warming is the mainly humancaused rise of the average temperature of the earths climate system and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming. Aerosol particles also emitted from fossil fuel and biomass burning are believed to result in cooling, partly masking global warming. The burning of these fuels produces gases like carbon dioxide, methane and nitrous oxides which lead to global warming. Global warmings increasingly visible impacts environmental. The urgency for adaptation is highlighted by projections from the three. Form definitions of the greenhouse effect based on prior knowledge, class discussion, and viewing diagrams.
On global warming and the illusion of control part 1 presents the basics and illusions behind the hypothesis of global warming and climate change, who turned on the heat. Global warming, is harming and killing algae in the ocean. Global warming, the phenomenon of rising average air temperatures near earths surface over the past 100 to 200 years. Fossil fuels are being continuously used to produce electricity. Pdf according to nasa and ipcc, global temperature has increased by 1. The greenhouse is covered with a kind of plastic walls which permits all radiations from the sun. Climate change is a term that refers to major changes in temperature, rainfall, snow, or wind patterns lasting for decades or longer. Global warming is caused by anthropogenic activities. This article discusses amongst cause of global warming and consequences of global warming on the environment. Global warming is often misunderstood to imply that the world will warm uniformly. An introduction to global warming for students in grades 68. We often call the result global warming, but it is causing a set of changes to the earths climate, or longterm weather. Measurements show that the earths globalaverage nearsurface temperature has increased by about 0. Global warming is melting glaciers in every region of the world, putting millions of people at risk from floods, droughts and lack of drinking water.
Comprehensive assessment of climate change impacts in maryland. In fact, an in crease in average global temperature will also cause the circulation of the atmosphere to change, resulting in some areas of. Cause of global warming fossil fuel consumption is increasing rapidly to satisfy growing energy demand after the industrial revolution, which started at the end of the 18th century. 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. Participate in group brainstorming sessions and class discussions related to the impact of the greenhouse effect and global warming.
Global warming definition is an increase in the earths atmospheric and oceanic temperatures widely predicted to occur due to an increase in the greenhouse effect resulting especially from pollution. Page 1 ventura county air pollution control district, ventura, ca effects of global warming lesson concepts. Global warming definition global warming is a gradual increase in the earths temperature generally due to the greenhouse effect caused by increased levels of carbon dioxide, cfcs, and other pollutants. Some of the news you may have heard polar bears are losing. The theory that global climatic change, surface warming in particular, is increasingly caused by human emissions of greenhouse gases, mainly carbon dioxide from fossil fuel burning. The paper introduces global warming, elaborates its causes and hazards and presents some solutions to solve this hot issue. Global warming and global climate change have led to an increase in the temperature in the area. Pdf global warming and climate change, causes, impacts. Global warming and carbon dioxide the environmental community rightly recognizes global warming as one of the gravest threats to. Powerpoint presentation global warming and the coming. 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 the earths atmosphere has always acted like a greenhouse to capture the suns heat, ensuring that the earth has enjoyed. As a result, they are neglecting what might be the most effective strategy for reducing global warming in our lifetimes. Many researchers, engineers and environmentalists are expressing deep concerns about changes in the overall climate of the planet. Ostberg et al critical impacts of global warming on land ecosystems notwithstanding these methodological challenges, quantifying climate change impacts on ecosystems worldwide and systematically as a function of global warming is critical to substantiating the ongoing international negotiations on cli.
In this activity, you are being called into action by the united nations to examine the causes and potential impacts of global warming and to develop policy. One thing that causes global warming is electrical pollution, fossil fuels are burned to create electricity. The steep temperature rise is what is called global warming. Global warming presentation overview co 2 emissions and global warming mitigation of co 2 emissions using stabilization wedges 100 year emissions mitigation scenarios projected resource depletion curves for oil, gas, coal. Global climate change scientific research publishing. An ipcc special report on the impacts of global warming of 1. The wri report is entirely designed to blame developing countries for sharing the responsibility for global warming. Pdf files discovery of global warming american institute of physics. The scientific guide to global warming skepticism skeptical science. Climate change global warming look at the plot below. Technical working group of the maryland commission on climate change. Global warming and its potential harmful impacts are pressing issues facing scientists and policy makers all over the world. Above all, alternative energy sources solar, wind, hydro, geothermal.
Global warming is happening now, and scientists are confident that greenhouse gases are responsible. It is critically important to determine whether this global warming is due to natural causes, as contended by climate contrarians, or by human activities, as argued by the intergovernmental panel on climate change. This article discusses amongst cause of global warming and consequences of. Earths climate has changed over various timescales since the dawn of geologic time, and the force of human activities since the industrial revolution has been woven into the fabric of climate change. Global warming and wild life camille parmesan integrative biology, university of texas at austin. Global warming and ozone layer depletion are two different problems see the sidebar misconceptions about global atmospheric change on page 95. It is a complex issue full of uncertainties and controversies. Global warming definition of global warming by merriam. Earth average temperature 1850 to 2006 newspapers and politicians talk. Proxy measurements tree rings, sediments etc for the past years weather balloons radiosondes for the past 44 years satellites msu units for the past 21 years. However, the concept of global warming is quite controversial. Global warming this term refers to the general increase in the earths average temperature caused by the presence of greenhouse gases in the atmosphere, which causes changes in climate patterns across the globe.
Students will read an article on one effect of climate change global warming in small groups. Discovery of global warming files formatted for printing pdf. To understand what this means for humanity, it is necessary to understand what global warming is, how scientists know its happening, and how they predict future climate. Chapter 1 introduction to global warming shodhganga. Whether the cause is natural or humandriven, global warming is a serious issue that everyone should be aware of. The scientific guide to global warming skepticism was written by john cook. Earth system critical impacts of global warming on land. Signs of global warming in the united states, region by region iv. Fewer algae is a problem because there is less food for us and many animals in the sea. But expert analysts across the world found that wholesale adjustments had been made to the figures in the main surface temperature records, giving an impression that the global temperature trend had been rising much more than was justified by. Facts about global warming spread environmental awareness and encourage fight against global warming through your global warming essay the definition of global warming is, the observed and projected increase in the average temperature of earths atmosphere and oceans.
This phenomenon has been observed over the past one or two centuries. Causes of the global warming observed since the 19th century. The cause of global warming executive summary three of the four methods of measuring global temperature show no signs of global warming. Solar activity it is widely recognized that variations in solar radiation and activities, such as solar flares or sunspots, if large enough, could have an impact on the global temperature. Causes of climate change united states environmental.
This change has disturbed the climatic pattern of the earth. Pdf global warming and climate change, causes, impacts and. The burning of these fuels produces gases like carbon. How climate affects agriculture climate change can affect agriculture in a variety of ways. It is a major aspect of climate change which, in addition to rising global surface temperatures, also includes its effects, such as changes in precipitation. Global warming is the phenomenon of gradual increase in temperature near the earths surface. It shows the average temperature of the earth from 1850 to 2006.