To learn more about the use of hydro energy in Switzerland we've put up a link from the official website of the governement.
- about 57 % of the domestic electricity production comes from hyrdo energy
- it is the most important domestic source of renewable energy
- there are about 660 hydropower plants in Switzerland
- the hydropower market is worth 1.8 Billion Swiss Francs
- the federal governement is promoting the future use of hydro energy
Hydro energy usage (bfe.admin.ch)
Jan Tall, Luca Napolitano
Team: Jan Tall & Luca Napolitano
Audio
Introduction: In our presentation we talked about the different methods gold is being mined and what social & economical impact it has on certain cultures.
There are many methods in order to mine gold. It depends wether the gold is already loose and can just be seperated from the dirt and rocks (by washing) or if the gold has to be loosened from within the rocks. The most popular method is gold panning, also known as gold washing.
Old and used gold is not being thrown away! It is finite and consequently valuable. Gold can be molten and formed into brand new gold bricks. There is absolutely no degradation in quality.
Gold mining impacts the world we live in, in various ways. The only winners in this business are the big corporations, which own the gold mines. But sadly if there is a winner, there has to be a loser aswell. The losers are the countries with gold occurance, mother nature and the people/workers in those countries.
Quiz question: Which of the following country has the most gold occurance?
1. Russia
2. Australia
3. South Africa
Vocabulary:
consequently - somit
degradation - Verlust
occurance - Vorkommen
Sources:
gold mining
gold recycling
social and ecological impact of gold mining
Group: Jan Tall, Luca Napolitano
Topic: Gold mining
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