When considering the food banks that would be a part of the energy efficiency program, the Walmart Foundation focused on the communities with the most food insecurity including Gulf Coast states.

FORBES: Walmart Foundation donates $2 million to food banks

Spread over nine equally-weighted categories, the scorecard rates colleges on factors like sustainable policies by administration, commitment to energy efficiency and conservation, food and recycling policies, campus-wide green building initiatives, student involvement, alternative transportation.

FORBES: Sustainability Report Card: How Green Is Your College?

The government says that by 2020 it wants all schools to be "models of energy efficiency and renewable energy" and provide "healthy, local and sustainable food and drink produced or prepared on site".

BBC: NEWS | UK | Education | Schools 'must be green by 2020'

Syria will reach the limit of food self-sufficiency in 10-35 years, depending on the effectiveness of its measures to improve irrigation efficiency and agricultural yields, and to control population growth.

ECONOMIST: Letters