Dorinda Cox accuses Greens of racism in scathing resignation letter

In short:

Greens defector Dorinda Cox says her former party failed to address serious concerns she raised and enabled a "toxic" culture.

Senator Cox also denied any suggestions she has ever perpetrated bullying, despite a number of complaints from former staff that were reported last year.

What's next?

The senator says she is eager to now focus on getting tangible outcomes for First Nations people.