global warming

Topics: Carbon dioxide, Water, Global warming Pages: 2 (268 words) Published: July 7, 2014
Speech Outline

Title: “Global Warming”
General Purpose: To persuade
Specific Purpose: After listening to my speech, audience members will be aware of global warming and take steps to reduce the effects. Thesis: The consequences of global warming jeopardises the current and future generation.

Introduction
I. Attention getter : Comparison of the globe decades ago and now II. Thesis statement III. Preview of main points

Body
I. What are the factors of global warming?
A. Pollution
* Gases include CO2 , Methane, Nitrouos oxide, CFC and etc, * Most of this has been influenced by industrialization which results in emission of gases like CO2 * China, among the leading industrialized countries that contribute to global warming. B. Deforestation

* High population growth
* Trees once present they absorb the CO2 released by burning of fossil fuels. * The growth of world population has led to cutting down trees (deforestation) so as to expand settlements and higher demand for timber for domestic purposes. C. Natural factors

* Volcanic eruptions result into the emission of gases that concentrate in the atmosphere increasing the green house effect. * Water vapour and atmospheric humidity * Solar variation

II. What are the effects of global warming?
A. Rise in sea-levels worldwide due to melting glaciers. * According to NASA, the polar ice cap is now melting at the alarming rate of 9 percent per decade. Arctic ice thickness has decreased 40 percent since the 1960s. * At the current rate of retreat, all of the glaciers in the Glacier National Park will be gone by 2070 * Greenland holds 10 percent of the global ice mass. If it melts, sea levels could increase by up to 21 feet. B. More killer storms and...
Continue Reading

Please join StudyMode to read the full document

You May Also Find These Documents Helpful

  • Global Warming Essay
  • global warming Essay
  • Global Warming Essay
  • Essay on Global Warming
  • Essay on Global Warming
  • Global Warming Essay
  • global warming Essay
  • Global warming Essay

Become a StudyMode Member

Sign Up - It's Free