Related to: '50 Ways to Help the Planet'

Dan Doherty

Dan Doherty has appeared on BBC1's Saturday Kitchen and Channel 4's Sunday Brunch. He is a judge on the BBC1's primetime series Britain's Best Cook. Dan was the Chef Director at London's Duck & Waffle, in the City of London and recently opened his own restaurant, The Royal Oak, in Marylebone, Central London. He won Tatler's Rising Star Chef award at their 2013 Restaurant Awards and the Guardian declared him 'among the high priests of Britain's culinary revival'. He is the author of Duck & Waffle: Recipes & Stories and Toast Hash Roast Mash.

Diana Henry

Diana Henry is one of the UK's best-loved food writers. She has a weekly column in the Sunday Telegraph and also writes for BBC Good Food, House & Garden and Waitrose Weekend, as well as being a regular broadcaster on BBC Radio 4. Diana has won numerous awards for her journalism and books, including Cookery Journalist of the Year from the Guild of Food Writers (three times, most recently in 2015), Cookery Writer of the Year at the Fortnum & Mason Food and Drink Awards in 2013 and 2015 and Cookery Book of the Year for Simple at Fortnum & Mason Food and Drink Awards 2017. A Change of Appetite was voted Cookbook of the Year by the Guild of Food Writers in 2015 and A Bird in the Hand won a James Beard award in 2016. Diana has written ten other books including Crazy Water Pickled Lemons, A Bird in the Hand, Cook Simple, Salt Sugar Smoke, Roast Figs Sugar Snow, A Change of Appetite, Simple and How to Eat a Peach. A Bird in the Hand, Simple and How to Eat a Peach were Top 10 Bestsellers and Diana's books have sold over 700,000 copies worldwide.Diana studied English Literature at the University of Oxford and journalism at City, University of London. She was a TV producer for the BBC for over ten years before starting to write. She lives in London with her children.www.dianahenry.co.ukInstagram: @dianahenryfoodTwitter: @dianahenryfood

Gregg Wallace

Gregg Wallace is co-presenter of Masterchef and renowned for his love of all things sweet and delicious. He is a keen food historian, loves cooking for his kids and runs his own fruit and vegetable growing company.Gregg is currently working on 6 television programmes and has 213k followers on Twitter @GreggAWallace

Guy Barter

Guy Barter is Chief Horticulturist of the Royal Horticultural Society, having joined the organization as superintendent of trials at RHS Garden Wisley in 1990. Prior to that, he gained experience in the commercial horticultural world after graduating with a degree in horticulture. Guy now runs the RHS Members' Advisory Service, which provides answers to an enormous range of questions and supplies evidence-based advice for thousands of gardeners and is author of RHS How Do Worms Work and RHS Can Anything Stop Slugs.

Hani Sidow

Hani Sidow is a 22-year-old hijab-wearing beauty influencer and Instagram star. Born in Somalia, but now based in London, Hani began blogging in 2016 before writing a monthly column for the Guardian. She recently became a columnist for GLAMOUR magazine. She has also worked closely with beauty brands such as Buxom and nspa.@hanihanss

Henry Dimbleby

Henry Dimbleby is co-founder of Leon, the award-winning fast food chain that serves healthy fast food. Together with John Vincent and Allegra McEvedy, he opened the first restaurant in London in July 2004, and six months after opening, Leon was named the Best New Restaurant in Great Britain at the Observer Food Monthly Awards (by a judging panel that included Rick Stein, Gordon Ramsay, Nigel Slater, Heston Blumenthal, Ruth Rogers and Jay Rayner). There are now more than 55 Leon restaurants (including branches in Washington DC, Amsterdam, Utrecht and Oslo).

Judith Miller

Judith Miller began collecting in the 1960s while a student at Edinburgh University in Scotland. She has since extended and reinforced her knowledge of antiques through international research, becoming one of the world's leading experts in the field. In 1979 she co-founded the international best-seller Miller's Antiques Price Guide and has since written more than 100 books which are held in high regard by collectors and dealers.Judith Miller appears regularly on TV and radio. She is an expert on the BBC's Antiques Roadshow and has co-hosted the popular BBC series The House Detectives, ITV's Antiques Trail, and Discovery's It's Your Bid. She has appeared on The Martha Stewart Show and CNN. She is a regular lecturer and contributor to numerous newspapers and magazines, including the Financial Times, the Daily Telegraph, BBC Homes & Antiques and House & Garden. She has lectured extensively, including at the V&A in London and the Smithsonian in Washington.

Katie Caldesi

Katie and Giancarlo Caldesi own London's Caffé Caldesi as well as Caldesi in Campagna in Bray. They co-authored Around The World in Salads and The Gentle Art of Preserving which was nominated for the André Simon Food Book Award and the Guild of Food Writers' Cookbook of the Year award. They have both appeared on Saturday Kitchen. Katie is also the author of The Italian Cookery Course. Giancarlo was diagnosed with diabetes in 2012. Since then he has gone into remission after changing his diet to a low-carb diet.

Matthew Keightley

Matt Keightley is an award-winning garden designer with more than 12 years' experience in the landscaping industry and a reputation as one of the UK's most exciting young garden designers.He made waves within the landscaping industry in 2014 when, as a debutant at the RHS Chelsea Flower Show, he was awarded the RHS Silver-Gilt Medal and the highly acclaimed BBC People's Choice Award for his 'Help for Heroes' show garden, dedicated to the wounded men and women of the armed forces. One year later he was back at Chelsea, this time working with Prince Harry for his charity Sentebale.Matt's 'Hope in Vulnerability' show garden earned him another Silver-Gilt Medal and the BBC People's Choice Award for the second year running. In 2017, he was appointed to design an RHS/BBC Radio 2 garden for Chelsea with presenter Jeremy Vine. A contemporary space designed around the sense of touch, this immersive, tactile garden featured bold geometric forms juxtaposed with a soft, elegant planting palette.Matt is now working on projects in the UK and Germany. His personable character and extensive horticultural knowledge ensure that he is a regular guest presenter and speaker at various garden design events and seminars.www.rosebanklandscaping.co.uk

Megan C Hayes PhD

Megan C Hayes is a groundbreaking researcher and pioneer of the Positive Journal® approach to personal writing. She has spent a decade studying writing and the psychology of happiness, and discovering ways that writing makes us happier. She is an academic in the fields of Positive Psychology and Creative Writing, with a personal interest in mental health issues after growing up with a mother and sister who both experienced bipolar episodes. Megan's interdisciplinary PhD explored writing as a tool to promote and support psychological wellbeing. She has shared her research in the UK, United States and Europe, including papers in The International Journal of Wellbeing and Writing in Practice: The Journal of Creative Writing Research. She is a co-founder of Creative Writing Lab: The Network for Research in Creative Writing and Wellbeing, and continues to be fascinated with how words and writing can create happiness.

Michael Levivier

Michaël Levivier is a journalist and professional test driver, who brought together the team of the famous weekly magazine Moto Journal in 2000. Today, he travels the world for press presentations, news reports and long-distance motoring tests.

Nargisse Benkabbou

Nargisse Benkabbou was raised in Brussels, where she grew up in a strongly food-oriented family that continually nurtured her connection with her roots and country of origin, Morocco.After living in Brussels and Paris, Nargisse moved to London to pursue her education in Politics only to realize that her love for cooking and food was a real passion. After training at Leiths School of Food and Wine, she started blogging and sharing her Moroccan recipes 'with a twist'. Her work currently involves recipe and menu development, cooking classes, working as a guest chef and hosting supper clubs. Each recipe that Nargisse produces is a celebration of her heritage and a care for simplicity and modernity. While she has a strong grasp of traditional Moroccan cuisine, her ultimate goal is to inspire and bring 'a breath of fresh air' to Moroccan food.Discover more about Nargisse on twitter and instagram @mymoroccanfood, and on her website www.mymoroccanfood.com

Rachel De Thample

Rachel de Thample has worked in the kitchens of Marco Pierre White, Heston Blumenthal and Peter Gordon. She is the author of Less Meat, More Veg and Tonics & Teas, was Commissioning Editor of Waitrose Food Illustrated and Head of Food for the organic box scheme Abel & Cole. She has helped set up numerous local food initiatives, including the award-winning Crystal Palace Food Market and the Edible Garden, and currently runs preserving courses at River Cottage in Devon, runs seasonal Market Table pop-up dinners and writes for The Simple Things and Locavore magazines.

Richard Bertinet

Richard Bertinet set up his Bertinet Kitchen in 2005 and Bertinet Bakery in 2011 and his bread is now widely available at farmshops, delis and Waitrose across the south of the UK. He trained as a baker in his native Brittany and has over 20 years' experience as a chef and baker who teaches principally in his own school in Bath. His first two books won numerous awards both in the UK and the US including IACP Cookery Book of the Year and James Beard Award. www.thebertinetkitchen.com

Rick Sanchez

Rick Sanchez is a sociopathic genius scientist who drags his inherently timid grandson on insanely dangerous adventures across the universe. Rick lives with his daughter Beth's family and constantly brings her, his son-in-law Jerry, granddaughter Summer, and grandson Morty into intergalactic escapades.

Rita Serano

Rita is a Dutch food photographer, food blogger and recipe developer. After following various cooking trends, she derived her own plant-based, seasonal and healthy style. Her first book, Vegan in 7, was published by Kyle Books in 2017. She lives between The Netherlands and France with her husband and daughter, experimenting with new ideas in the quick, busy city of Amsterdam and enjoying a quiet life tending her vegetable garden in the French countryside.Instagram: @ritaserano

Robin Scagell

Robin Scagell is a long-serving Vice President of Britain's Society for Popular Astronomy. A lifelong stargazer, he has worked as an observer and photographer, and as a journalist has edited a wide range of popular-interest magazines. Robin is the author of several popular astronomy books, and has contributed to many other publications. He has been awarded the Sir Arthur Clarke Award for Space Reporting in recognition of his many appearances on TV and radio talking about astronomy and space.

Sabrina Ghayour

A chef, food writer and cookery teacher, Sabrina Ghayour is one of the strongest voices in Middle Eastern food today. Her work has featured in The Times, The Sunday Times, the Evening Standard, the Guardian, The Independent, The Telegraph, delicious. magazine, Waitrose Food magazine, Sainsbury's Magazine and BBC Good Food magazine. She has also appeared on BBC1's Saturday Kitchen, BBC2's Great British Menu and Channel 4's Sunday Brunch.Sabrina's debut cookbook, Persiana, was awarded 'Best New Cookbook' at the Observer Food Monthly awards 2014 and 'Book of the Year' at the 2015 Food & Travel Awards. Her follow up, Sirocco, and her most recent book, Feasts, were Sunday Times bestsellers.Connect with Sabrina at www.sabrinaghayour.com Twitter @SabrinaGhayourInstagram @SabrinaGhayour

Sam Rice

Sam Rice's career has taken her from management consultant and travel business owner, to sommelier, wine columnist and more recently, food writer. Following the premature death of her youngest brother, who suffered from type 1 diabetes, she decided to overhaul her diet in the interests of living a longer and healthier life. She wrote about the process in her book The Happy Eater, 4 Weeks to a Better Relationship with Food, which was self-published in 2014.Sam, 47, now lives in Bali with her husband and two children.

Sara Lewis

Sara Lewis is an experienced home economist and food writer. She was the cookery editor of 'Practical Parenting' magazine for over 12 years and is the author of many Hamlyn cookery books including 'Bread Machine Easy', 'Hamlyn All Colour Cookbook: 200 Cakes and Bakes' and 'Hamlyn All Colour Cookbook: 200 Make Ahead Recipes'.