ƽÌØÎå²»ÖÐ

'You need political will, and it takes time' – urban greenhouses could benefit from more direct support from governments, experts say.

...Mark Lefsrud has studied different ways of growing food for more than 20 years. He is an associate professor at ƽÌØÎå²»ÖÐ’s Macdonald Campus where he is a leader of the Biomass Production Laboratory and worked on the design of the Advanced Plant Habitat on the International Space Station.

Ìý