The market, for profit businesses created to solve a social or environmental problem, are an essential part of the solution.

FORBES: Connect

Martin Palmer, of the British-based Alliance of Religions and Conservation, says faiths often have the clearest view of the social and economic aspects of an environmental problem.

ECONOMIST: Religious groups and scientists team up

The researchers say the problem of inactivity has reached pandemic levels, with far-reaching health, economic, environmental and social consequences.

BBC: Sedentary lifestyle can kill

These four principles illustrate that the concept of sustainable development in the Earth Charter embraces the view that the problems of poverty, environmental degradation, ethnic and religious conflict, and social injustice are all interdependent, and that policies that address one problem can impact and improve other issues.

UNESCO: Understanding sustainable development