John Francis has travelled around the world by foot and sail. He has spread the message of respecting the environment with help of his banjo since last 17 years.

It takes a different sort of mind to run a major company successfully. Sometimes it’s genius that sets apart the business elite-but sometimes it just may be madness.

An interview with Ford CEO, Alan Mulally.

An interview with Ford CEO, Alan Mulally.

At Fortune Magazine’s “Most Powerful Women” dinner in Palo Alto, Calif., businesswoman Marissa Mayer, who was criticized for juggling a short maternity leave and her new role as Yahoo’s CEO.

Andy Hobsbawm shares the benefits of ads campaigns about going green.

Ann Cooper aka “renegade lunch lady,” talks about revolutionising school lunches through the use of local, sustainable and seasonal food.

Environmental scientist David Keith proposes a radical idea of injecting a cloud of ash into the atmosphere, to tackle global warming.

Ngozi Okonjo-Iweala, the former finance minister of Nigeria, discusses on aid versus trade, she also shares her experience on the issue.

Paleoanthropologist Zeresenay Alemseged explores the roots of humanity in Ethiopia’s badlands. He base this finding on the oldest skeleton of a humanoid child found in Africa.