This is a Clilstore unit. You can link all words to dictionaries.




One of the most important ecological problems of our time is: What can we do with the enormous amount of waste produced by a developed industrial society?

A European, Japanese or North American family, between domestic rubbish and wastewater, throws away several tons of waste materials each year, many of which are polluting products or are not biodegradable, i.e., do not disintegrate over time.

For example: glass, plastic or aluminum containers can remain for several years without decomposing, taking up more and more space around big cities.

To reduce the amount of garbage thrown into nature and in this way avoiding pollution, environmental associations defend the rule of the three "Rs": reduce, reuse and recycle.

Firstly, they advise reducing useless consumption: for example, it is better to buy products like vegetables and fruits without packaging (because these foods is biodegradable but not the plastic packaging used in supermarkets); It is also advisable to reduce the consumption of canned or prepared foods that generate a lot of garbage.

We must try to reuse things instead of throwing them away: it is better to use cloth bags for doing the shopping instead of plastic’s bags that are thrown away; Kitchen cloths can be washed and used many times, rolls of kitchen paper are not necessary and represent a large consumption of paper and, therefore, contribute to the deforestation of trees.

Finally, some materials can be recycled: this means that they can be sent back to the factory so that the factory can manufacture other products without having to use new raw material: it is cheaper and cleaner.

If we throw glass packaging away into recycling containers, nothing gets dirty and the glass is used again for new packages. The same happens with batteries. Paper and cardboard boxes can be recycled: there are places where you can carry newspapers, magazines, old books..., instead of throwing them in the trash: with them you make paper again without having to consume new wood.

In that way, all of us can contribute to the conservation of our environment.


Activity 1: Read in groups the text "The Rule of three R's" and talk about how they can care for the environment. The students will have a glossary with the different concepts that appear in the text to help them at the time of their interventions.

Activity 2: Before doing the activity, the school's bins have been checked and different types of garbage collected. The students are divided in groups and each group will have an amount of garbage and they will explain to their classmates the amount and type of rubbish they have. Then, they will compare them to each others.Finally all the notes will be transferred to a chart to see the amount of rubbish consumed for the school in one day.

Activity 3: To start we will watch the following video “How to care for the environment”, and after watching the video in groups, make a poster about the effects of pollution in our environment and how to prevent it. Make a class display with all of the posters.




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