An eight-year-old girl holds two cards in her hand. She places several plastic poker chips into the middle of the dining room table and makes a bet. Science writer Alex O’Brien has been teaching her daughter how to play poker for three years. She believes that the game will give her daughter...

Could going vegan help feed the world and save the planet? While industry and energy production are often singled out as the main drivers of climate change, the global meat production industry is a bigger polluter. Veganism advocate Gary Francione and nutritionist Dr Ron Weiss join Nuala McGovern...