Difficulty:
Adv-Intermediate
Germany
The UNESCO World Heritage site Messel Pit is one of the excavation sites that yields the largest number of fossils worldwide. Professors as well as students split the slate in order to find well preserved fossils.
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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