Vertical farms solve land problem
By SCHWARZ, TIM
With land prices at a premium in Singapore, vertical farms with rotating vertical racks present a sustainable solution while cutting down pollution.
See All Brainstorm Green
How the electric car transformed racing
Michael Dell on the new (private) Dell
Why Toyota broke up with Tesla
Apple: 'We own our carbon footprint'
Former EPA chief: Keystone XL will be built
A Republican supports Obama's climate plan
See All CNNMoney Original Shows
Wall St. is salivating over Shake Shack
Super Bowl XLIX's strangest prop bets
'Super' boost for Budweiser and Pepsi
Comcast regrets calling customer 'A-hole'
EU leaders say Greece must pay its debts
Snickers meets 'The Brady Bunch' in Super Bowl spot