Today's billionaire elite continues to grow, hitting new heights and stretching to new corners of the world, including the fields of clean energy, which refers to energy that doesn't create pollutants.

According to data released by Forbes on May 16, American businessman, author, politician, and philanthropist Michael Bloomberg is the world's richest person in the clean energy sector, with a net worth of US$48.5 billion.

Elon Musk, Founder, CEO and CTO of SpaceX, and co-founder, CEO, and product architect of Tesla Inc., ranks second, with a net worth of US$15.3 billion, followed by Aloys Wobben, founder and owner of Enercon, with a net worth of US$8.1 billion.

Here follow the top 10 billionaires in the clean energy sector.

 Fan Zhaoxia

Net worth: US$1.1 billion

Age: 50

Nationality: Chinese

Occupation: Chairwoman of Beijing Jingyuntong Technology Co., Ltd.