Difficulty: Adv-Intermediate
Germany
A tiny urban nook yields an enormous amount of living and working space, winning environmental awards to boot.
Difficulty: Adv-Intermediate
Austria
Let's explore the concept of a single-family passive house: is a future without residential dependence on fossil fuels possible?
Difficulty: Adv-Intermediate
Germany
Using unusual tactics, The World Wildlife Found WWF in Frankfurt calls attention to threats to the Indonesian rain forest.
Difficulty: Adv-Intermediate
Germany North German
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