Unless the Green party has recently radically changed its policies, then it is not a home for the so-called Independent Group of MPs (An existing party for ex-Labour members, Letters, 5 March). Take one policy, for example: replacing the Trident nuclear-armed fleet. Every single one of these MPs, both Conservative and Labour, and the defector who is not in the group, Ian Austin MP, voted to replace Trident at a cost of £205bn. Which also to my mind hardly makes them “moderate” or “centrist”.

Trident is not keeping us safe; the main threats to security, as analysed by the government advisers, are cyber warfare and terrorism. To these we can add climate change. Caroline Lucas, and other Green party members, have the good sense to see this.

Rae Street

Littleborough, Lancashire

• The Guardian letters page is marking International Women’s Day by publishing only letters from women – see them all at gu.com/letters and at the following links:

Women worldwide must be heard and respected

Equality for African women

Rape victims can’t trust the justice system

Does taking Friday afternoon off school do children any harm?

School pupils can make their climate change strike hurt

Cuts severely damaged Ruskin College’s role and reputation

Shakespeare’s a sage on sleep’s salvation