I prefer to be a part-time actor says Dia Mirza

Dia Mirza says she chose to be a "part-time actor" so that she can devote more energy towards conservation and environmental causes.

The actor, also a Goodwill Ambassador of the United Nations Environment Programme (UNEP), said she feels a certain sense of responsibility in making the world a better place.

"I was recently telling the head of UNEP in India that I act part time. Most of my time and energy is spent in conservation efforts and environmental action in the country.