A 'Green' Christmas lunch, Raising bilingual children, #FreePeriods

The U.N. Secretary-General issued a dire warning this week. He said that the international effort to stop climate change has been “utterly inadequate.” What are you doing to have a greener Christmas when it comes to the food you eat? Are you considering a more sustainable alternative to turkey for Christmas lunch? We hear from the food writer and campaigner, Jack Monroe, the journalist, Nina Pullman and Jenny Costa from Rubies in the Rubble. The President of the Royal College of Obstetricians and Gynaecologists, Professor Lesley Regan, is calling for a bold approach to transform women’s health services. She tells us about her ambitions. Dr Jessica Wade, a British physicist, tells us why she's made it her mission to include more women in Wikipedia. She's added pages for more than 800 women in STEM and tells us about some of the obstacles she's faced. Four leading women politicians debate the ongoing problem of child poverty in the UK. We hear from Helen Whately from the Conservatives, Laura Pidcock from Labour, Dr Sarah Wollaston of the Liberal Democrats and Deidre Brock from the SNP. How difficult is it to raise your children as multi-lingual when you’re the only person who speaks your mother tongue? We hear from Mercy Haruna, the presenter of the podcast Parentland who's trying to teach her children Igala and from Gbemi Isimi the founder of Culture Tree, who's got a Nigerian Yoruba background. After a long campaign by #FreePeriods, the government has agreed to fund a scheme providing free sanitary products in primary and secondary schools from this January. Gemma Abbott, a campaigner for #FreePeriods, tells us how the opt-in scheme will work and Nadia Collier, a family support worker at a London primary school, tells us how The Red Box Project has been working at her school. Presented by: Jenni Murray Producer: Rabeka Nurmahomed Editor: Siobhann Tighe