Real food challenge: Auburn University, unlike peers, requires 20% local source of dining food

Delaware has been working to make sure that all college-ready graduates, regardless of socioeconomic status, make it to college. With financial reasons standing in the way of many qualified students, the state has worked on multiple levels to make this a possibility.

Attending college is not always a given option for gifted teenagers from less-than-wealthy backgrounds. National organization QuestBridge creates a way for low-income and minority high-achieving students to go to their dream colleges free of cost.

Many qualified students lack the motivation to follow through attending college due to a lack of peer support. A highly successful U.S. program sends great inner-city students to elite colleges in groups – one key to graduation.

There are many reasons why a student might leave university without graduating. Match Beyond helps students who dropped out of college finally receive their degree through personal counselors who make sure that the students are fulfilling all the necessary things in order to graduate.

Huge numbers of students lack the chance to go to college because of financial problems. Recently, Kalamazoo schools received more funding allowing them to have the chance to help and pay for students to then go to college and receive a higher education.

Farmers in Vietnam face rising sea levels but rejected the city's water engineering projects. They prefer gradual measures to cope with climate change so scientists have allowed the farmers to steer the conversation.

Louisiana and Vietnam both need affordable solutions to rising sea levels. Leaders from Vietnam visited Louisiana to compare ideas.

The World Conservation Union estimates that 40 percent of the more than 40,000 species it tracks on its Red List are close to extinction and this problem requires humans to change their behavior to fix it. Rare’s the Pride Campaign uses social marketing to attract attention and communicate the conservation message between local communities and government entities. The Pride Campaign has been replicated around the world for different conservation efforts to protect biodiversity.

Students with low-income that attend public schools can find themselves locked in a system that prevents them from getting into the best colleges, from being unable to afford tuition, to not having the ambition, to not knowing a school that would welcome them. Franklin & Marshall College in Lancaster, PA targets high-performing low-income students. The college provides outreach to high school students in poor communities, financial aid to low-income families, summer workshops, and on-site advising and academic support.

Clean water and healthy ecosystems are becoming increasingly difficult to come by. With floating islands and other inventions, eco-entrepreneur Bruce Kania thinks that biomimicry - such as reconstructing wetlands and growing biofilms - can tackle the toughest of water problems.