Crop production must double by 2050 to meet the demands of our growing global population . In the face of competing interests for water resources , land for biofuel production , and the growth of urban areas , how can we sustainably feed our future population ? Can we grow food on marginal lands ? And should we farm in arid environments ?
WATER :
Water sustains life . Humanity must have a reliable water supply and sanitation infrastructure that can adapt and respond to change . How do we plan infrastructure development to ensure resilience in the face of adversity ?
ENERGY :
Global power consumption is 18.5 terawatts , and demand is set to increase by 1 % annually . Current methods of energy production release greenhouse gases back into the environment , fueling a vicious cycle of climate-change-induced detrimental impacts . How should we power the planet sustainably ?