MAPEH Q1, W6 - The Impact of Environmental Health Problems Flashcards
happens when there is a presence of large amounts of unwanted and harmful substances on land, water, or air
Pollution
DEFINITION
destruction of forests by means of clearing and cutting off trees
Deforestation
CAUSES
illegal logging, cutting, or burning trees
Deforestation
EFFECTS
• soil erosion
• flash floods
• landslides
• greenhouse effect
• stripping of upland
Deforestation
The Philippines is ranked ___ in terms of threatened forests in the world.
4th
DEFINITION
contamination of bodies of water due to discharge of pollutants without proper treatment
Water Pollution
CAUSES
• untreated domestic and industrial water sewage system
• improper throwing of garbage in bodies of water
• oil spill (in large quantities)
Water Pollution
EFFECTS
• problems in the fishing and tourism industries
• health problems caused by water-borne sources such as diarrhea
• may poison or kill aquatic animals
Water Pollution
_____ _____ in Manila is one of the world’s most polluted rivers.
Pasig River
Metro Manila ranks ___ to the lowest in providing piped sewage system.
2nd
DEFINITION
releasing of dangerous air pollutants or gases such as carbon dioxide and sulfur dioxide in the Earth’s atmosphere
Air Pollution
CAUSES
discharge of harmful gases such as huge amounts of carbon dioxide, methane, and sulfur dioxide through human and industrial activities
Air Pollution
EFFECTS
• health-related concerns such as asthma and other respiratory diseases
• global warming
Air Pollution
______ _______________ buses are currently used in Makati as one of the solutions to address the air pollution issue
Hybrid Diesel-electric
DEFINITION
unlawful acquisition or extraction of important minerals
Illegal Mining
CAUSES
economic interest of mining companies
Illegal Mining
EFFECTS
• deforestation
• soil erosion and contamination
• loss of diversity
• contamination of water resources
• possible formation of sinkholes
• possible risk of death to some miners
Illegal Mining
_____ ____ mining (extraction of magnetite) from beaches of the northern provinces has caused coastal erosion and floods in seaside communities.
Black Sand
DEFINITION
excessive number of living individuals, as compared to the capacity of the environment
Overpopulation
CAUSES
• increased birth rate
• reduced mortality
• immigration
• lack of birth control / family planning
Overpopulation
EFFECTS
• natural resource depletion
• rise of unemployment rate
• conflicts
• destruction of the environment
• high cost of living
Overpopulation
The Philippines population has reached more than 100 million already, and it has ranked ____ as the most populous country in the world
13th
DEFINITION
released from faulty equipment of oil tankers and ships; water sports
Oil Spill
CAUSES
large quantities of oil that are released in bodies of water
Oil Spill
EFFECTS
• death of marine animals
• fish industry of affected areas paralyzed
Oil Spill
Around half a million of oil leaked into ______ ___ from a crack in a pipeline owned by Petron last August 2013, which affected the fishing industry in Cavite.
Manila Bay
DEFINITION
result of increasing global warming
Climate Change
CAUSES
• huge amounts of greenhouse gases in the atmosphere
• ozone layer depletion
• rapid deforestation
Climate Change
EFFECTS
• respiratory diseases
• unexpected and extreme weather events
• financial impact to the economy
• death
Climate Change
DEFINITION
method of collecting live aquarium specimens with the use of sodium cyanide mixture into the fish’s habitat
Cyanide Fishing
CAUSES
divers who crush cyanide tablets and squirt the solution to stun and capture live marine aquarium fishes
Cyanide Fishing
EFFECTS
• coral reef damage
• death of organisms that inhabit coral reefs
• development of cancer among fishes that have ingested the cyanide solution
Cyanide Fishing
A live coral trout is worth about _____, which makes cyanide fishing very attractive.
₱1000
Fisheries in the ________ _______ in Palawan are on the verge of collapse because of cyanide fishing practices.
Calamian Islands
DEFINITION
process in which coral reefs that serve as homes for some marine fishes are destroyed by direct or indirect means
Coral Reef Degradation
CAUSES
• cyanide and dynamite fishing
• pollution in water nutrients that lead to algal growth
• overfishing
• global warming
Coral Reef Degradation
EFFECTS
• warming of the ocean, causing corals to be sick and die
• harmful algal growth produced on top of corals, which kills them because it blocks sunlight
• death of aquatic species
Coral Reef Degradation
Only __ of the coral reefs in the Philippines are in good condition.
5%
