HEALTH 9 -ppT.pptx environmental issues
- 1. SIR JOSEPH S. ALVARADO HEALTH 9
- 2. OBJECTIVES: *identify the different environmental issues * Explain the causes and effect of the environmental problems * Write insights about the effects of environmental problems in an essay form.
- 4. Solid waste refers to all discarded household, commercial waste, non- hazardous institutional and industrial waste, street sweepings, construction debris, agricultural waste, and other non-hazardous/non-toxic waste 1. Poor Solid Wastes Disposal
- 5. means any alteration of the physical, chemical, biological, or radiological properties of a body of water resulting in the impairment of its purity or quality. 2. Water Pollution
- 6. Sources of Water Pollution Industrial Agricultural Sewages
- 7. Industrial: The metal varies according to industry — lead, mercury, chromium, cadmium and cyanide.
- 8. Agricultural: Organic — decayed plants, dead animals, livestock manure, soil runoff; and non-organic — pesticides and fertilizers.
- 9. Domestic sewage: Contains pathogens that threaten human health and life.
- 10. Air pollution is the contamination of air due to the presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials 3. Air pollution
- 11. Noise pollution, or sound pollution, is the propagation of noise or sound with ranging impacts on the activity of human or animal life, most of which are harmful to a degree. The source of outdoor noise worldwide is mainly caused by machines, transport and propagation systems Noise pollution
- 12. - Greenhouses gases are the main cause of climate change, trapping in the sun’s heat and warming the surface of the earth. - An increased ocean temperature is affecting the sea life and ecosystems habituated there. - The rise in global sea levels is shrinking our land, causing mass floods and freak weather incidents across the world. 5. Climate Change
- 13. Biodiversity, or the variety of all living things on our planet, has been declining at an alarming rate in recent years, mainly due to human activities, such as land use changes, pollution and climate change. 6. Declined Biodiversity
- 15. physical processes that occur naturally in the environment. These include natural disaster events such as earthquakes, tornadoes, volcanoes, blizzards, landslides, and droughts Physical hazards
- 16. Chemical hazards can be both natural and human- made chemicals in the environment. Human-made chemical hazards include many of the synthetic chemicals we produce, like disinfectants, pesticides and plastics. Some chemical hazards occur naturally in the environment, like the heavy metals lead and mercury.
- 17. • Biological hazards /Biohazards biological substances that pose a threat to the health of living organisms, primarily that of humans. This can include medical waste or samples of a microorganism, virus or toxin (from a biological source) that can affect human health.
- 19. Environmental Problem Cause Eff ect Prevention Group 1: 1. Poor Solid Wastes Disposal 2. Water Pollution Group 2. 1. Air Pollution 2. Noise Pollution Group 3: 1. Climate Change 2. Declined Biodiversity Group 4: Environmental hazard *Physical hazard *Chemical hazard *Biological Hazard Group activity: Complete the table. Provide the table the of the information needed. And post it on the board for reporting (5 minutes)
- 20. Individual Activity: Determine what Environmental issues the human activity provided may cause or prevent. 1. Use Car/motorcycle when going to work even when you live close by. 2. Bringing your own bags to the grocery store. 3. Using dynamite in fishing 4. Illegal mining 5. Throwing garbage in the river 6. Cutting trees. 7. Burning plastics. 8. Apply the 3 R’s method, Reduce, Reuse and Recycle. 9. Fertilize plants with chemicals. 10.Videoke until 12 midnight in your neighbourhood
- 21. Individual Activity: Essay writing. If you were given a chance to be Mother Earth, you will write Thank you Letter or a letter of sentiments of what you want to say to the humans. Follow the given template in writing your letter.
- 22. October 20, 2023 Humans Earth, Solar System Milky Way Galaxy Dear Humans: (your message) Sincerely, Mother Earth
- 23. Criteria 5 4 3 Points Writing Process Evidence of outstanding planning Evidence of good planning Evidence of good planning But not sufficient to the task Adherence to topic Excellent purpose Good purpose, Fair purpose Correctness of format Correct format Only one or two mistakes made Multiple mistakes made Grammar, spelling, language use Outstanding use of language, vocabulary, punctuation and spelling Few mistakes in the use of language, vocabulary, punctuation and spelling multiplemistakes in the use of language, vocabulary, punctuation and spelling Conversation Creativity Outstanding characterizatio n, entertaining read Good creativity Some creativity shown, needs to be more entertaining to read