ROTTERDAM, Netherlands —
As one of the world’s most densely populated countries grapples with
climate change, the Dutch are taking to their rooftops.
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An organization in the port
city of Rotterdam has
built a skywalk linking the roofs of the downtown shopping area to show what
the future might look like.
From a village to food cultivation and rainwater
storage areas, the “Rooftop Days” association is showing how to unlock the
unused space of Europe’s biggest port.
“We want people to experience how great it is to be
on a rooftop and what space we have there above the city,” Rooftop Days
director Leon van Geest told AFP.
“We are only using three percent of the full
potential of the flat rooftops that we have here in our city.”
The bright orange skywalk runs for some 600m with a
heart-stopping “airbridge” section linking the city’s
World Trade Centre to a
department store, at 29.5m above street level.
The walk, which is open until June 24, also features
wind turbines, solar panels, art galleries and a drone landing pad.
If the city authorities give approval for a
full-scale rooftop village in future, it is expected to include crops and tiny
houses built of sustainable materials.
‘Unique opportunity’
With around a third of its
land lying below a sea level that creeps higher each year, the Netherlands has
become a world leader in adapting to climate change.
The urgency is
even greater for the Dutch given that the nation’s 17 million inhabitants are
squeezed into Europe’s most densely populated country after tiny
Monaco, the
Vatican City, Malta, and San Marino.
Known for its
architectural daring in the decades after it was flattened during World War II,
Rotterdam itself is something of a pioneer for the Netherlands, which only uses
some 1.8 percent of its roof space.
Transforming the city could take decades but van
Geest says he is “convinced that this will become a reality”.
As the Dutch population becomes increasingly urban,
“space is becoming a rare commodity in the city, so we will have to exploit the
roof”, he added.
Rotterdammers are enjoying the change of
perspective.
“It is a unique opportunity to see Rotterdam from a
higher distance,” approved 69-year-old resident Harry Schouten.
‘Intensive rooftops’
The “Rooftop Days” have been
going on for six years and the latest highlights some of the most successful
ideas for a climate-adapted future.
These include the “Rooftop Field”, a
1,000-square-metre area on the sixth floor of a building which grows
vegetables, fruit, and edible flowers.
Founder Emile van Rinsum, director of the Rotterdam
Environment Center, said his organization created the field nearly 10 years ago
on the roof of the building where their offices are located.
“It’s really nice” to work a few staircases away
from such a green space in the heart of the Netherlands’ second city, he said.
One of its main purposes is for storing water, as
climate change makes seasonal rainfall levels increasingly unpredictable.
“On this roof, we can already store 60,000 liters of
water,” Van Rinsum said.
Part of the produce grown there is delivered to
eateries in Rotterdam, while a restaurant set up near the field is proving
“very popular”.
“We call them ‘intensive rooftops’ on which you can walk or,
for example, grow food as we do, and that is very important for a city,” he
said.
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