Urbanization Deforestation Mining Eric Angat Teacher 1 What

Urbanization –Deforestation- Mining Eric Angat Teacher

1. What will happen to the trees when urbanization sets in? Think!

2. How are we affected by deforestation? Think! Climate change Extinction of species. DEFORESTATION Endangered species. Hunger flooding erosion

3. What is the difference between rural and urban? • More tress • Fresh Air • Less pollution • Less tress • smog • more pollution • Less opportunity • Less jobs • More opportunities • More jobs rural urban

4. Define atmosphere, biosphere, hydrosphere, and lithosphere. The biosphere is the sum of all ecosystems. Rocks and soil Our air. Water on Earth

5. What are the positive and negative effects of urbanization? http: //www. slideshare. net/saiyangoku/5 effects-of-urbanization

Decreased infiltration means less groundwater for drinking. Increased runoff means more flashfloods. Decreased evapotranspiration means less precipitation. Increased runoff from 10% to 30% decreased infiltration from 25% to 15% Increased runoff from 30% to 50% decreased infiltration from 15% to 10%

5. What are the positive and negative effects of urbanization? Positive effects Negative effects • Higher • Booming business population means more jobs. density means • More overcrowding. entertainment places like parks, • Groundwater concert halls, depletion. movie theaters. • More trash • Polluted air.

Greenhouse gases warm Our Planet. Too much causes Global Warming! Greenhouse gases trap heat on Earth Preventing Earth from freezing. But too much greenhouse gas causes Global Warming. http: //www. srpmic-nsn. gov/government/epnr/ghg. asp

6. How does deforestation lead to global warming? Think! https: //www. youtube. com/watch? v=yvdfqrnvu 6 Q

Plants use CO 2 in photosynthesis. This alleviates or lessens greenhouse gas in the atmosphere. CO 2 (Carbon dioxide) Greenhouse gas traps heat on Earth BURNING FOSSIL FUEL http: //a-zofglobalwarming. blogspot. com/2008/12/un-action-to-halt-deforestation. html

Cutting of trees deprives our planet the natural way (photosynthesis) of removing excess greenhouse gases that causes Global Warming. CO 2 (carbon dioxide) Greenhouse gas that traps heat on Earth BURNING FOSSIL FUEL http: //conservationbytes. com/2010/09/19/cartoon-guide-to-biodiversity-loss-ix/

7. How does deforestation result to landslide? https: //www. youtube. com/watch? v=oa. Q 5_9 G-33 k

Roots hold the soil in Preventing EROSION place preventing from happening. erosion. http: //science. howstuffworks. com/environmental/earth/geology/landslide 5. htm http: //blogs. agu. org/landslideblog/files/2012/11/12_11 -UK-slide-51. jpg

8. What is fracking? How does it affect our groundwater? Think! https: //www. youtube. com/watch? v=Uti 2 ni. W 2 BRA

Potable water source Gas tower aquifer Fracking zone – introduction of water, chemicals and sand. Municipal water deposit Aquifer contamination Fracking breaks http: //genteconconciencia. es/blog/? p=7831

9. What is a microclimate? Urbanization The city develops a microclimate because of pollution. CO 2, a greenhouse gas, causes temperature rise. A microclimate is where the climate differs from the surrounding area.

Micro-climate Is climate different from the surrounding climate due to urbanization. Greenhouse gases make the city warmer than the surrounding environment. Pollution More CO 2

URBAN HEAT ISLANDS Human activity has a big influence on the climate of an urban area. Climate is the long term behaviour of the atmosphere in a specific area, with characteristics such as temperature, pressure, wind, precipitation, cloud cover and humidity etc. An urban area is an area with a high density of human created structures in comparison with the areas surrounding it. The climatic characteristics of an urban area are affected by human factors such as pollution, the color of buildings, and factories etc. http: //www. coolgeography. co. uk/Alevel/AQA/Year%2013/Weather%20 and%20 climate/Microclimates/Urban_climates. htm https: //www. youtube. com/watch? v=UXSq. IGH 3 Org https: //www. youtube. com/watch? time_continue=48&v=t-s. XHl 3 l-r. M

Transpiration is the process where water contained in liquid form in plants is converted to vapor and released to the atmosphere. http: //techalive. mtu. edu/meec/module 01/Transpiration 2. html

More CO 2 and CH 4 in the city.

10. A local government voted against the largescale development of buildings and roads in the area. What could have been the motive behind their decision? A. It could lead to a decrease in the average annual temperature in the area. B. It could lead to the formation of heat islands, creating a microclimate in the area. C. It could lead to the introduction of invasive species. D. It could lead to a decrease in acid rain production in the area.

Alternative Energy creates less Pollution compared to fossil fuel. Fossil Fuel

11. A company has several factories around the world and has decided to transition from burning fossil fuels to using alternative energy resources. How could a decrease in burning fossil fuels impact the atmosphere? A. It could decrease the oxygen levels of the atmosphere. B. It could increase the nitrogen levels of the atmosphere. C. It could decrease the carbon dioxide levels of the atmosphere. D. It could increase the sulfur dioxide levels of the atmosphere.

Asphalt Urbanization leads to covering lands with concrete and asphalt that prevents water from soaking or infiltrating into the ground. This leads to increased runoff, erosion, and flooding in low lying areas.

12. How does urbanization change the natural flow of water? A. transpiration from vegetation is increased and erosion is reduced. B. precipitation is reduced and infiltration is increased. C. erosion caused by runoff is reduced and precipitation is increased. D. surface runoff is increased and infiltration is reduced.

Higher population means less water and more pollution and diseases.

13. Which consequence could an exponentially growing human population have on drinkable water? A. It could cause a decrease in the amount of waste and pollutants in the water supply. B. It could cause an increase in the amount of water available for the population. C. It could cause an increase in cases of waterborne diseases. D. It could cause a decrease in needing water for survival.

Pipes to draw water from the aquifer. water. Aquifer or groundwater becomes salty and unusable. Saltwater intrusion to aquifer.

Saltwater intrusion is the movement of saline water into freshwater aquifers, which can lead to contamination of drinking water sources and other consequences. Saltwater intrusionoccurs naturally to some degree in most coastal aquifers, owing to the hydraulic connection between groundwater andseawater. https: //www. youtube. com/watch? v=G 9 f. WZl. Mmt-U https: //www. youtube. com/watch? v=e 1 d 5 wgg. J-0 g

14. The drilling for freshwater increases along a coastal area. What is a likely consequence of this action? A. an intrusion of salt water into aquifers B. the loss of water resources in estuaries C. the destruction of estuaries because of an increase in sea levels D. a decrease in salt concentration in inlet waterways

Water vapor Nuclear Power plant

Less Oxygen More CO 2 Heated water results to death or migration of fish.

15. Some factories can increase the amount of thermal pollution by dumping heated water into lakes and rivers. How can this type of pollution affect aquatic environments? A. It can reduce the number of aquatic species in the environment. B. It can increase the amount of dissolved oxygen in the environment. C. It can reduce the decomposition rate of organisms in the environment. D. It can increase the life expectancy of animals in the aquatic environment.

Reasons to build Dams 1. Reserve water for human consumption during summer and drought. 2. Produce electricity through the use of turbines.

Dam at Salem Lake. https: //www. youtube. com/watch? v=BX 8 XU 9 Mn. YQY

16. A local government is considering whether to build a dam. Which is an advantage of building this structure? A. It can decrease the accumulation of sediment in the water. B. It can improve the natural habitat of plants and animals. C. It is an inexpensive process. D. It can create a storage place for water.

Open pit mining Landslide is large scale erosion. an excavation or cut made at the surface of the ground for the purpose of extracting ore. Landslide. Other dangers include water pollution, habitat destruction. http: //news. yahoo. com/utah-avalanche-largest-modern-history-221000689. html

17. What are the Effects of Mining? Dredging or desilting. A. Landslide and siltation of lakes bodies of water become shallow.

17. What are the Effects of Mining? B. Deforestation, destruction of habitat.

17. What are the Effects of Mining? C. Pollution of lakes and rivers that leads to fish kills.

18. Why does mining of coal and other natural resources often result in environment pollution? A. Mining pollutes the air near streams. B. Mining produces acid precipitation near streams. C. Mining creates waste material which can flow into streams. D. Mining strips the surface of the land near streams

CO 2 and SO 2 will combine with water vapor and fall as Acid Rain.

19. Where would the highest amounts of acid rain most likely be found? A. over the ocean B. in the forest C. in urban areas D. in the mountains

Acid Rain SO 2 NOX CO 2 Wind Forest dies

20. How can other areas be affected by the pollution of an industrialized city? A. Acid rain can precipitate in other areas. B. The wind can bring the pollutants in other places.