AIR POLLUTION

What is Air Pollution?What causes Air Pollution?

What does Air Pollution do to us?How should we act?

WHAT IS AIR POLLUTION?Releasing matter into the

atmosphere that are harmful to the health and safety of living things

That includes us!

WHAT CAUSES AIR POLLUTION?

Bad gases from

vehicles:

Carbon monoxide (CO), Nitrogen oxides (NOx),

Hydrocarbons, Particulates

Bad gases from

factories: Nitrogen oxides(NOx),

Sulfur dioxide (SO2)

Bad gases from burning rubbish

Bad gases from burning fuels

for energy for A.C.s, heaters, and lights

Look around you.How many sources of air pollution can you find, now?

Air pollution also occurs

naturally:

Bushfires,Vocanic eruption

And causes LOTS OF PROBLEMS

AIR POLLUTANTS CAN CAUSE…

Headaches Coughing Eye irritation Asthma Cancer … and many

more!

They can also kill plants animals

HOW CLEAN IS THE AIR IN VIETNAM?

A LITTLE BIT ABOUT SOME FAMOUS PROBLEMS THAT IS RELATED TO AIR POLLUTION… SMOG Global Warming

SMOGSMOKE + FOG = SMOG

When smog hangs over a city, it becomes hard to breath and see clearly.

Beijing air on a day after rain (VS) a smoggy day

In December 1952, the Great London Smog occurred and more than 4000 people died because of the smog!

Smog is also caused by the air pollutants

GLOBAL WARMING

What do we know about Global Warming already?

What is a greenhouse? What are greenhouse gases?

GREENHOUSE EFFECT

This is known as…THE GLOBAL WARMING

The rays of the sun warm the Earth, and the gases in the atmosphere stop some of the heat from escaping into space.

This process is called the 'Greenhouse Effect’ because it works the same way as a greenhouse. The windows of a greenhouse work like the atmosphere, keeping some of the sun light inside the greenhouse.

When there are more and more greenhouse gases in the atmosphere, more heat is trapped which makes the Earth warmer.

GLOBAL WARMING

Many scientists say,

Global warming can

cause a huge lot of problems!

GLOBAL WARMING CAN… Melt the icebergs

in the polar regions (Arctic and Antarctica)

Drown the polar bears because the icebergs melt

Cause huge floods

And many more..

WHAT CAN WE DO?

Some suggestions…

Walking or biking close distances Turn off light when leaving the room Turn off the A.C. or heaters when not

using Recycle glass bottles, jars, cans, plastic

bottles and paper