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“Retreat of glaciers, reduction of forests, urban expansion, drop in lake levels: the impacts are numerous. According to NASA, these sometimes worrying images have two purposes. First, to study in detail these transformations of our planet. Then help the political authorities to take measures when they are necessary. »

Source: The world

The activities in this guide will allow students to become familiar with aerial images and to observe the impact of man and the natural transformations of the landscape and the continents.


Goals

At the end of the activities, the student will be able to:

– Explain the impact of humans on the planet;
– Observe the differences on the territory during a given period;
– Understand the impacts of industrial developments on the planet;
– Interpret data related to the situation of forests in the world;
– Compare places affected by climate change.


Suggested Activities

ACTIVITY 1: Images of change

Begin this activity by presenting students with this video presenting the new images published by the NASA site. These images demonstrate the change for a decade on certain regions of the planet.

– The forest of Niger
– The Aral Sea
– New Delhi
– Muir Glacier
– Three Gorges Dam
– American coal mines
– Cachuma Lake

Distribute this consignment grid so that students can record their observations, and those of their peers, throughout the presentation of before and after images of targeted locations.
Stop projecting the video after each region presented and question the students.

Here are some questions:

– What do you observe?
- What is happening?
– What are the possible solutions?
- Etc.

ACTIVITY 2: Climate change in pictures

Ask students to browse the gallery of images on the site of the NASA in order to find 3 specific places that will serve as their subject for the next activity.

Whether related to cities, extreme disasters, ice, humans, ground impacts, water or the most popular images, let the students compare the images of their choice in the grid provided for this purpose .

Invite them to writetheir observations before and after climate change. During the return to the large group, question the students in order to bring out the differences and similarities among the observations they have noted.

ACTIVITY 3: State of the world's forests

Begin this activity by asking students to name the impacts of men on the different forests of the planet.

Continue by presenting this folder comprehensive presentation of the state of the world's forests in 2016.

Suggest that students focus on the key messages described in the brochure such as :

– Land use change: Trends (p.14)
– Governance and management of land use change (p.20)
– Make room for forests and food security (p.30)

You could divide the students into three working teams so that they can bring out the essential elements of the three main sections of the brochure.
Invite the students to present the key messages of the file to each other with the presentation tool of their choice, such as the collaborative board of Twiddla or with an infographic Can go.


More about the magazine

9 Nasa Satellite Images That Show Man's Dramatic Impact On The Planet
France Info, January 29, 2017

The most memorable images of the Earth with the Moon
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NASA. A satellite transmits incredible photos of the Earth
West France, January 27, 2017

Snow in Belgium seen from space by NASA
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The Earth as you've never seen it
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