Kalpana Arias is a guerrilla gardener, technologist, nature rights activist and food grower, writer, speaker and the founder of PLAY, a social enterprise fighting for urban nature. Kalpana campaigns for the right to grow, nature rights and tech for good,  and has spent over 10 years researching how technology and nature can work together from biomaterials and AI to robotics and other nature-based tech. She has delivered a global TED talk, spoken at the United Nations, featured on Evening Standard's 30 under 30 list of Climate Activists On A Mission To Save London and Vogue, and is a trustee for GROW charity and National Park City. Kalpana is currently an environmental consultant for corporations and governments and works with leading charities, institutions, brands and grassroots change-makers.