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Envi Sci (Finals) > Water Pollution > Flashcards

Water Pollution Flashcards

(55 cards)

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1
Q

caused by human activities like
chemicals, heavy metals, plastics, sewage, and
agricultural runoff, leads to degradation of water
quality and ecosystem disruption

A

Water pollution

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2
Q

IMPORTANCE OF CLEAN WATER FOR
ECOSYSTEMS AND HUMAN HEALTH (Ecosystem)

A

Biodiversity and Habitat
Health
Natural Processes and
Balance
Food Chain Integrity

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3
Q

IMPORTANCE OF CLEAN WATER FOR
ECOSYSTEMS AND HUMAN HEALTH (Human Health)

A

Safe Drinking Water
Agricultural and Food Safety
Recreational and Economic
Benefits

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4
Q

substances that contaminate water bodies through
chemical reactions or toxicity, posing risks to ecosystems,
wildlife, and human health

A

CHEMICAL POLLUTANTS

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5
Q

Example of chemical pollutants

A

Industrial waste
pesticides and fertilizers

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6
Q

Living or once-living organisms that contaminate
water and can harm ecosystems and human health.
They include pathogens, invasive species, and organic
waste, which can lead to diseases, disrupt ecosystems,
and affect water quality.

A

BIOLOGICAL POLLUTANTS

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7
Q

Example of biological pollutants

A

Bacteria, viruses, and parasites
Wastewater and sewage
contamination

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8
Q

Substances that affect the physical properties of water
without necessarily causing a chemical reaction. These
pollutants can alter water clarity, temperature, and
overall habitat conditions, making it less suitable for
both aquatic life and human use.

A

PHYSICAL POLLUTANTS

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9
Q

Example of physical pollutants

A

Plastics and microplastics
Sediments from soil erosion

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10
Q

Human activities, such as industrial facilities, can
cause unnatural increases in water temperature in
water bodies like rivers, lakes, and oceans, which are
then discharged back into the environment

A

THERMAL POLLUTANTS

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11
Q

Example of thermal pollutant

A

Heated water from industrial processes

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12
Q

Sources of water pollution

A

Industrial
agricultural
domestic
marine dumping
oil spills

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13
Q

Industrial sources

A

factories
oil refinery
mining activities

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14
Q

discharge pollutants, such
as heavy metals, toxic
chemicals, and hazardous
substances, directly into
rivers and lakes, leading to
contamination of surface
and groundwater.

A

Factories

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15
Q

Wastewater from these
refineries often contains
high levels of hydrocarbons,
which can lead to oxygen
depletion in aquatic
ecosystems, harming marine
life.

A

) Oil Refinery

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16
Q

lead to acid mine drainage,
where toxic metals and
acidic water from mine
waste seep into nearby
rivers and lakes. This runoff
affects water pH, making the
environment inhospitable
for aquatic organisms.

A

Mining Activities

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17
Q

Agricultural Sources

A

Runoff from
Pesticides and Fertilizers
Animal Waste from
Farms

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18
Q

________ can cause nutrient
pollution, especially with nitrogen
and phosphorus, leading to algal
blooms

A

Fertilizers

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19
Q

Waste from ________ is
rich in organic matter and
pathogens. It increases the levels
of harmful bacteria and viruses,
creating health hazards for
humans and animals

A

livestock farming

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20
Q

domestic sources

A

Household Waste and
Sewage
Improper Disposal of
Chemicals

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21
Q

contains organic matter, bacteria,
and nutrients that can disrupt
aquatic ecosystems. Improperly
treated sewage introduces high
levels of bacteria and viruses into
water sources, which poses
health risks and can contaminate
drinking water supplies.

A

Household Waste and
Sewage

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22
Q

These chemicals can be toxic to
aquatic life and disrupt the
natural chemistry of water
bodies, leading to detrimental
effects on biodiversity

A

Improper Disposal of
Chemicals

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23
Q

This waste can harm marine
organisms through ingestion,
entanglement, and toxicity.
Plastics are particularly harmful
as they do not decompose and
break down into microplastics

Study These Flashcards
A

Disposal of Waste in
Oceans

24
Q

EFFECTS OF WATER POLLUTION

Study These Flashcards
A

1.Human Health
2.Environmental Impact
3.Economic Impact

25
________ can harbor harmful microorganisms, including bacteria, viruses, and parasites.
Polluted water
26
caused by pathogens that are transmitted through water
Waterborne Diseases
27
arise from prolonged contact with hazardous substances, typically over months or years.
Long-term exposure to Chemicals
28
effects on ecosystems, wildlife, and natural resources
Environmental Impact
29
effects that contaminants have on the health and functioning of freshwater and marine environments.
Damage to aquatic ecosystems
30
decline or extinction of various species in aquatic ecosystems
Loss of biodiversity
31
alterations in the relationships between organisms at different trophic levels
Disruption of food chains
32
financial consequences and losses associated with the degradation of water quality due to contaminants.
Economic Impact
33
Economic impact
Loss of livelihood Healthcare cost
34
On an international level, treaties like the ____________ and the __________ set standards that push nations to prioritize water quality.
Water Framework Directive (EU), Clean Water Act (USA)
35
The law mandates proper wastewater management and regulates discharges into water bodies to maintain safe quality standards.
CLEAN WATER ACT OF 2004 (REPUBLIC ACT NO. 9275)
36
This regulation sets effluent standards for the discharge of pollutants from various industries into water bodies.
REVISED EFFLUENT REGULATIONS OF 1990 (DENR ADMINISTRATIVE ORDER NO. 35)
37
play a critical role by filtering and treating wastewater before it re-enters natural water sources, removing a significant portion of contaminant
WASTEWATER TREATMENT PLANTS
38
-it offers a natural and promising solution by employing microorganisms to break down pollutants.
BIOREMEDIATION
39
TYPES OF BIOREMEDIATION
1.MICROBIAL (PROKARYOTES) 2.BIOAUGMENTATION 3.BIOSTIMULATION
40
plays a significant role in water pollution mitigation by providing innovative solutions to treat contaminated water
NANOTECHNOLOGY
41
focuses on creating eco-friendly chemicals that degrade safely in water, minimizing long-term environmental impacts.
GREEN CHEMISTRY
42
Precision farming techniques and controlled release fertilizers can reduce excess application, targeting only what crops need
REDUCING CHEMICAL FERTILIZERS AND PESTICIDES
43
- offers a holistic alternative, minimizing or eliminating synthetic chemicals and relying on natural fertilizers, crop rotation, and biological pest control
ORGANIC FARMING
44
play key roles in educating communities, organizing cleanup efforts, and advocating for stricter environmental policies
Non-Governmental Organizations (NGOs) and local governments
45
GLOBAL EFFORTS TO ADDRESS WATER POLLUTION
I. United Nations Sustainable Development Goals (SDG 6: Clean Water and Sanitation) II. International Organizations and Partnerships III. Role of Climate Change and Water Conservation
46
Specific targets within SDG 6 address various aspects of water pollution,
United Nations Sustainable Development Goals (SDG 6: Clean Water and Sanitation)
47
Improve water quality by reducing pollution, eliminating dumping, and minimising the release of hazardous chemicals and material
Target 6.3:
48
Substantially increase wateruse efficiency across all sectors to address water scarcity
Target 6.4
49
Focuses on the health impacts of water pollution and promotes safe water and sanitation practices. The Organization connects nations, partners and communities to promote health and serve the vulnerable.
World Health Organization (WHO)
50
International Organizations and Partnerships
World Health Organization (WHO) United Nations Environment Programme (UNEP) International Atomic Energy Agency (IAEA)
51
Leads global efforts to monitor and assess water quality, promotes sustainable water management, and coordinates international partnerships.
United Nations Environment Programme (UNEP)
52
Uses nuclear and isotopic techniques to study water resources, detect pollutants, and develop water protection strategies.
International Atomic Energy Agency (IAEA)
53
___________ poses a significant threat to water quality, exacerbating existing pollution problems and creating new challenges.
Climate change
54
_________ worsens water pollution by altering weather patterns, increasing the frequency and intensity of floods and droughts, and impacting water quality.
Climate change
55
Reducing water consumption through efficient technologies and practices is crucial for mitigating water scarcity and pollution.
Water Conservation

Envi Sci (Finals) (12 decks)

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