Bollywood star Dia Mirza is also a committed environmental campaigner. In this interview with BBC 100 Women, she says she thinks the biggest climate issue is a 'bunch of egotistical men who refuse to change.' Born and raised in southern India, surrounded by nature, Mirza embraced climate activism even as her career in modelling and film was taking off 20 years ago. But along with advocating for sustainable living, she says she wants to challenge established gender stereotypes when it comes to her acting roles and her life away from the cameras