Greta Thunberg says she will no longer speak at a climate event, accusing a sponsor of greenwashing by investing in companies tied to the fossil fuel industry

• Greta Thunberg accused a large investment management firm of greenwashing.
• Thunberg decided not to speak at a book festival as a result. 
• The company released a statement, saying its ties to the fossil fuel industry were insignificant. 

Greta Thunberg will no longer appear at a large Scottish book festival this week, saying she does not want to be "associated with events" connected to the fossil fuel industry.