Ipcc,2007,climate change,physical science basis,working group,i,fourth,assessment,report,intergovernmental panel on climate change, human activities, contribute to climate change, compare with natural influences created date. Global warning and climate change linkedin slideshare. Evidence and causes is a jointly produced publication of the us national academy of sciences and the royal society. Thousands of emails and other documents were disseminated via the. In reading this chapter, it needs to be borne in mind. Climate change unfccc in montreal, canada, 2005, parties agreed to initiate the dialogue on longterm cooperative action to address climate change by enhancing implementation of the convention. Environmental protection agency, washington, dc, usa keywords. Anthropogenic and natural causes of climate change article pdf available in climatic change 12212 november 2014 with 20,311 reads how we measure reads. Abstract this article discusses the limits of the anthropogenic global warming theory advocated by the intergov. Presentation outline global warming, climate changedefinitions human impact on planet earth global environment degradationcauses, evidences and progression greenhouse earthgases, effects and history carbon dioxide levels, sources and. Causes and consequences of climate change humans are increasingly influencing the climate and the earths temperature by burning fossil fuels, cutting down rainforests and farming livestock. Consequently, climate change has been and continues to be the subject of intensive scientific research and public debate. Such new conditions, associated with climate change, will have major negative impacts on crop productivity of many cereal crops, including wheat, adding more suffering to the growing populations and poorresource farmers in dry areas.
Causes and effects of climate change interactive worksheet. Climate change is one of the biggest crises facing humanity. Because the climate is a nonlinear system, we will not be completely sure of the consequences of our actions until after climate change has already occurred. Human activities contribute to climate change by causing changes in earths atmosphere in the amounts of greenhouse gas es, aerosols small particles, and cloudiness. Both humanmade and natural factors contribute to climate change. The climate system is a complex, interactive system consisting of the atmosphere, land surface, snow and ice, oceans and other bodies of water, and living things. In the case of planets orbiting the sun, this means that the absorbed fraction of the incoming solar radiation must equal the outgoing emitted radiation. Global climate change indicates a change in either the mean state of the climate. Climate change refers to changes in these statistics over years, decades, or even centuries. The climate change agenda has risen substantially in global and national importance and the topic has thus been given a dedicated chapter in this 2. Climate change air quality air pollution meteorology ozone particulate matter mercury. Answer the following questions on your other sheet of paper. The impacts and costs of climate change european commission.
Climate change is the defining issue of our time and we are at a defining moment. Climate change causes and effects graphic organizer under causes, write down what you think makes climate change occur. This booklet serves as a key reference document for decision makers, policy makers. Historical overview of climate change science chapter 1 frequently asked question 1. Pdf anthropogenic and natural causes of climate change. Climatechange science will continue to help society make. The effects of global climate change from greenhouse gas emissions ghgs are diverse and. In the questions box, note any questions you have, or things you would like to know about the causes and effects of climate change. Have students list the causes and effects of climate change. The causes of climatic change climatic research unit uea. Under effects, write what you think happens because of climate change. Live worksheets english english as a second language esl climate change causes and effects of climate change causes and effects of climate change id. Frequently asked questions the earths climate is changing.
The concept of a climate model is explained, and the use of such models to estimate future climate change is illustrated. How do human activities contribute to climate change and how. Global warming and climate change causes, impacts and mitigation. Climate change frequently asked questions 1 climate change. Explain to students that they will find the answers by reading articles on the effects of climate change. Climate models indicate that one of the main effects of greenhouse gas emissions will be global warming. Weather and climate worksheets campbell county schools. Climate change worksheet energy budget for any balanced budget, what comes in must equal what goes out. How do human activities contribute to climate change and. The causes of climate change can be divided into two categories, human and natural causes. Indicate whether the climate factors are affecting temperature, precipitation, or both. The royal society and the us national academy of sciences, with their similar missions to promote the use of science to benefit society and to inform critical policy debates, offer this publication as a key reference document for decision makers, policy makers, educators, and other individuals seeking authoritative answers about the current state of climate change science.
Climate change impacts in the terrestrial realm contd evolutionary effects changes in species abundance, distribution, and phenology suggest changes in species fitness in response to climate change. Read either a last warning on global warming reading level of 10. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide co 2. Finally, the author discusses a warmer future, explaining the future consequences of global warming and the tipping point.
Taking a gendersensitive approach to the interlinkages between biodiversity and climate change. We are entering into a new, hitherto unexplored, climatic regime. Definitions of climate change climate change in ipcc usage refers to a change in the state of the climate that can be identified e. Causes of climate change florida center for environmental. Intergovernmental panel on climate change ipcc, carbon dioxide and methane levels have increased by 35 % and 148 % since the industrial revolution of 175 0. Climate change is a term that refers to major changes in temperature, rainfall, snow, or wind patterns lasting for decades or longer. Forests and climate change home food and agriculture. Background paper on climate change issues, zambia may 2011 1 1. The national security strategy, issued in february 2015, is clear that climate change is an. The last section explains ways to approach the climate change problem.
Implications for business the department of defense recognizes the reality of climate change and the significant risk it poses to u. Climate change according to nasa, the earth average temperature has increased about 1 degree fahrenheit during the 20th century global climate change. It is a complex issue full of uncertainties and controversies. Climate change and its causes a discussion about some key issues nicola scafetta 1. The cause of global warming executive summary three of the four methods of measuring global temperature show no signs of global warming. Climate change impacts and adaptation in south africa. Rising temperatures are already driving changes in climate around the globe, including changes in precipitation patterns and the frequency or intensity of extreme events such as storms, floods, droughts, and heat waves. Causes of climate change united states environmental. Across the globe climate change has caused serious damage to the environment and to human life in general. The science is clear climate scientists agree that humanity is responsible for the vast majority of global warming. Pdf according to nasa and ipcc, global temperature has increased by 1.
Wires climate change climate change impacts in south africa box 1 long term adaptation scenarios ltas project south africas 2011 national policy position on climate change emphasizes that socioeconomic risks resulting from a range of emission scenarios need to be better understood and quanti. This happens because the coal or oil burning process combines carbon with oxygen in the air to make co 2. Most scientists feel certain that climate change is both a naturallyoccurring phenomenon, evident throughout the history of our planet, as well as an event made worse by recent human activity. Variability may be due to natural internal processes within the climate system, or to variations in natural or anthropogenic humandriven external forcing. Introduction 1 changes in climate have significant implications for present lives, for future generations and for ecosystems on which humanity depends.
The intergovernmental panel on climate change, the united nations environment programs climate body, has said for over a decade that there is unequivocal evidence that the planet is warming and that the temperature increase is very likely due to humanmade. The fluctuating behaviour of the record is incompatible with any explanation involving a steady climate change and it is not possible to establish any particular trend. And there is no doubt that on the longest timescales of earths geological history, trends in solar output have played a major role in shaping the earths climate and will continue to do so in the future. The about climate change tab provides a one stop shop for information on how and why our climate is changing. Presentation outline global warming, climate change definitions human impact on planet earth global environment degradation causes, evidences and progression greenhouse earthgases, effects and history carbon dioxide levels, sources and contributions global warmingconcept. To a lesser extent, the clearing of land for agriculture, industry, and other human. The science behind what causes climate change is vast and sometimes complicated, as are the varying degrees of opinions as to its validity.
On earth, human activities are changing the natural greenhouse. Climate change facts and figures overall situation climate change is increasing the risk of extreme weather events with more intense hurricanes, cyclones and typhoons, heavier rain and snowfall, more frequent and intense heat waves, and longer droughts. From shifting weather patterns that threaten food production, to rising sea levels that increase the risk of. Finally, climate change is presented as a problem of risk assessment and management, and quantitative estimates of individual climate risks to the united states are given. There is information to help understand the causes of climate change, climate change modelling, evidence of climate change today and how nsw is responding to the challenge. You learned about these orbital changes, known as the milankovitch cycles, in the temperature over time. Pdf climate is the primary important factor for agricultural production.
Enormous progress has been made in increasing our understanding of climate change and its causes, and a clearer picture of current and future impacts is emerging. Open access to this essay is brought to you by parkland. Biodiversity is part of the solution to climate change. Change in the amount of energy emitted by the sun is a prime candidate as a cause of climate variability. Understanding main ideas on a separate sheet of paper, identify the climate factors that in. Natural causes of climate change orbital changes the milankovitch theory explains the 3 cyclical changes in earths orbit and tilt that cause the climate fluctuations that occur over tens of thousands of years to hundreds of thousands of years. It is now a global concern that the climatic changes occurring today have been speeded up because of mans activities. Pdf global warming and climate change, causes, impacts and. Chapter 11 climate change department of environmental. Winnerb aschool of engineering and applied science, harvard university, cambridge, ma, usa b of. Climate change is the catchall term for the shift in worldwide weather phenomena. The natural variability and the climate fluctuations of the climat e system have always been part of the earths history however there. After introducing climate variables and a simple climate. This adds enormous amounts of greenhouse gases to those naturally occurring in the atmosphere, increasing the greenhouse effect and global warming.
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