Germany's Waldkindergarten - outdoor pre-schools - send kids to learn and fend for themselves in the great outdoors. But as the idea goes global, what’s making a generation of helicopter parents decide to let go of the reins?

Once popular exclusively with older generations, the allotment colonies on Berlin’s outskirts are now hot property among young Berliners looking to escape the concrete jungle. Is this green-thumbed pastime just the latest fad or a statement about urbanism and the environment?

The term ‘vegans’ tends to conjure up images of salad-grazing, stick-thin hippies. But a different vegan message of indulgence and junk food has taken over Berlin. Supermarket chain Veganz stocks vegan candy and meatless bacon strips. But isn’t vegan junk food the ultimate diet contradiction?

Germany is setting records when it comes to sustainability. The country is increasing the percentage of renewable energy it produces and is far ahead of most other developed nations. But what sets the land of beer and bratwurst apart when it comes to the environment?