Can a city feed itself?

Basil thrives in Paris’ Nature Urbaine rooftop farm. (Image: Bloomberg)

Mon, 10 Jul 2023

By Peter Yeung(Bloomberg) -- Hundreds of immaculate white columns dotted with small cylindrical outlets cover the rooftop of the Paris Expo Porte de Versailles exhibition centre in the south of the French capital. Fragrant basil, scarlet strawberries and unwieldy masses of dark green kale are among the colourful produce sprouting from each of the holes, which form part of a soil-less farming device known as an aeroponic growing tower.“You see, there’s nothing in there,” says Eugénie Mercier, pulling out a bunc...

Subscribe to BusinessDesk

Stay informed on business, government and financial developments across New Zealand.

Stay informed on business, government and financial developments across New Zealand.
Deeply researched, twice-edited and fact-checked news
Annual subscribers also receive a complimentary subscription to The Wall Street Journal
Personalised email news alerts, plus gift up to 5 stories a month to non-subscribers

You can cancel anytime with two clicks, an email or a phone call.
Find out more.

We are serious about journalism.

Name {{ registerForm.errors.get('name') }}

Email address {{ registerForm.errors.get('email') }}

Phone Number {{ registerForm.errors.get('phone') }}

Job Title {{ registerForm.errors.get('title') }}

Password Minimum password length of 8 characters.
Require at least one upper and lowercase, numeric, and special character. {{ registerForm.errors.get('password') }}

Repeat password {{ registerForm.errors.get('password_confirmation') }}

We had trouble validating your card. It's possible your card provider is preventing us from charging the card. Please contact your card provider or customer support.

Credit Card

Cardholder's name

{{ __(plans[index].interval) | capitalize }} {{ plans[index].attributes.old_price | currency }} {{ plans[index].price | currency }}

All subscriptions auto renew but are easy to cancel.

I Accept The Terms Of Service

{{ registerForm.errors.get('terms') }}

Tax: {{ taxAmount(selectedPlan) | currency }}

Total Price Including Tax: {{ priceWithTax(selectedPlan) | currency }} {{ selectedPlan.type == 'user' && spark.chargesUsersPerSeat ? '/ '+ spark.seatName : '' }} {{ selectedPlan.type == 'user' && spark.chargesUsersPerTeam ? '/ '+ __('teams.team') : '' }} / {{ __(selectedPlan.interval) | capitalize }}