大象传媒

As BP boss Tony Hayward announces his intention to stand down, Graham Stewart looks at leadership. How dependent are companies on one individual? And what effect does the loss of a leader have on employees' morale? Plus, we look at how renewables are helping companies generate their own power.

Keith Mason, director of senior appointments at the recruitment agency Hays, explains the difference between management and leadership.

Johnnie Andringa, managing director of Hillington-based Gaia Wind, tells our report Anne-Marie Watson about the dozens of companies across Scotland who are generating their own power.

Our studio guests are Joe Costello, managing director of business communication company Lucid, and David Hunter, who's international business manager with M and C energy group.