On one hand, sustainability creates huge opportunities by catalysing innovation and on the other, it calls for transformation in which global challenges of growth, urbanization, scarcity of natural resources and environmental change will become key strategic business drivers.

FORBES: Business Action at Rio+20

Noting that America must put its "fiscal house" in order, President Obama introduces the paper as America's solution to a scarcity of resources and growing complexity of challenges.

CENTERFORSECURITYPOLICY: Center For Security Policy

Scarcity is a powerful force and it leaves those in control of limited resources wielding great power.

FORBES: The Race for Energy Resources Gets Hotter

Second, worsening scarcity of critical resources like clean water, clean air, electric power, and land (and increasing oversupply of traffic, pollution, and greenhouse gases).

FORBES: Why a Harvard Finance Instructor Went to the Kumbh Mela

Like many maternity clinics in rural parts of Africa, the health center in Atitiri is lacking several necessary resources -- shortage of running water, electricity challenges, broken beds and scarcity of medicines all make Madudu's job very difficult.

CNN: Campaign to nominate African midwife for Nobel Peace Prize