Complete the sentence with the most suitable word from the list.
Vertical farms will go up in the centre of the city and give fresh local ___ from the skyscraper next door.

• drain
• powered
• save
• solution
• challenge
• produce
• vertical
• population
• mankind
• soared
• wasteland
• lush
• consume
• nutrients
• structure
• environmentally
• wonders
• convert