Air pollution

Слайд 2

Air pollution occurs when gases, dust particles, or smoke are introduced into

Air pollution occurs when gases, dust particles, or smoke are introduced into
the atmosphere in a way that makes it harmful to humans, animals and plant. This is because the air becomes dirty or unclean. 

WHAT IS AIR POLLUTION?

Слайд 3

WHAT CAUSES AIR POLLUTION?

Air pollution can result from both human and natural

WHAT CAUSES AIR POLLUTION? Air pollution can result from both human and
actions. Natural events that pollute the air include forest fires, volcanic eruptions, wind erosion, pollen dispersal, evaporation of organic compounds and natural radioactivity. Pollution from natural occurrences are not very often.

Слайд 4

HUMAN ACTIVITIES THAT RESULT IN AIR POLLUTION INCLUDE:

Emissions from industries

HUMAN ACTIVITIES THAT RESULT IN AIR POLLUTION INCLUDE: Emissions from industries

Слайд 5

HUMAN ACTIVITIES THAT RESULT IN AIR POLLUTION INCLUDE:

Burning fossil fuels

HUMAN ACTIVITIES THAT RESULT IN AIR POLLUTION INCLUDE: Burning fossil fuels

Слайд 6

NATURAL EVENTS THAT POLLUTE THE AIR INCLUDE:

Forest fires

NATURAL EVENTS THAT POLLUTE THE AIR INCLUDE: Forest fires

Слайд 7

NATURAL EVENTS THAT POLLUTE THE AIR INCLUDE:

Volcanic eruptions

NATURAL EVENTS THAT POLLUTE THE AIR INCLUDE: Volcanic eruptions

Слайд 8

NATURAL EVENTS THAT POLLUTE THE AIR INCLUDE:

Wind erosion

NATURAL EVENTS THAT POLLUTE THE AIR INCLUDE: Wind erosion

Слайд 9

WHAT ARE THE EFFECTS OF AIR POLLUTION?

WHAT ARE THE EFFECTS OF AIR POLLUTION?

Слайд 10

Short-term effects include irritation to the eyes, nose and throat, headaches, nausea, and

Short-term effects include irritation to the eyes, nose and throat, headaches, nausea,
allergic reactions.

Long-term health effects can include chronic respiratory disease, lung cancer, heart disease, and even damage to the brain, nerves.

Имя файла: Air-pollution.pptx
Количество просмотров: 51
Количество скачиваний: 0