Cameron Michelle Diaz doesn’t flush her toilet to help environment

London, May 21 : American actress Cameron Diaz has revealed that she does her part in helping the environment by not flushing her toilet.

Diaz, 36, revealed her habits in an interview with US chat show host Jay Leno, 59.

"I do follow the rule: If it's yellow keep it mellow and if it is brown flush it down," the Daily Star quoted her as saying.