Hi, class! Did you know that Earth Day was first celebrated on 22 April 1970? From that day, Earth Day is celebrated all over the world. Are you aware that I AM in DANGER? Think about all the small things you can and should do to save me!! But can you still remember why I am so important to human beings? _______________________________________________________ _____________________
However, I´m becoming very sick day after day! Can you identify some of the threats I have to face every day?
Can you match the Environmental threats on the left with its definitions on the right? Don’t forget to label the pictures. Teacher: Joana Aveiro
a)
A species of plant or animal that is in danger of becoming extinct.
b)
The cutting down of trees in a large area which leads to the destruction of rainforests.
c)
Layer of air high above the Earth, which prevents harmful ultraviolet light from the sun from reaching the Earth.
d)
The presence of artificial substances such as gas, dust, smokes in the atmospheric environment that affects human health.
e)
Gradual increase in the temperature caused by gases which prevent heat escaping into space.
f)
Excessive number of population in a certain area which leads to the depletion of natural resources and to the Environment deterioration.
g)
Contamination of the water in rivers and lakes with harmful substancesas a consequenceof human activities.
Teacher: Joana Aveiro
Now listen and watch “Pl a net I n Per i l ”, an excerpt of a four-hour CNN documentary that looks at environmental crises around the world. T r y to fi l l i n the ga ps wi th the mi ssi ng wor ds.
1.
The actual thickness of the ice sheet in Greenland has been _________.
2.
I’m standing in the middle of what used to be ______ ______.
3.
There are a lot of ________ out here that range the garnish of critical status.
4.
We are here where people are getting ______ for drinking water.
5.
We’re destroying ________’s natural regulation.
6.
The successof one ________ is often dependent upon the other.
7.
Sixteen of the twenty-one most ________ cities in the world are here in China.
8.
We’re on a trail right now. The kind of trail a _______ would use.
9.
-No one has ever been here before. We’re the first people. -No one has ever been here before? Really? - No, we’re the first to ever walk here.
10.
From the air you can really get a chance to seejust how much of this _________ has already been ________.
11.
Sowe’re looking at ________ turtles being sold at a Chinesemarket place? - Exactly.
12.
There’s literally one speciesthat holds the parts. It’s our specie – _____ _____ that controls the future for about every life form on our planet. (Source: http://br.youtube.com/watch?v=kln67xLENsM)
After watching this interesting documentary I am able to identify the following Environmental threats _____________________________ ___________________________________________________.
Teacher: Joana Aveiro