Harpers Wine & Spirit Trade News reports that climate change may be reversing the traditional flow of viticultural knowledge, with producers in hot or humid regions such as India and Brazil offering lessons to European growers now facing compressed ripening windows, water stress and higher heat pressure. The piece argues that Old World regions may increasingly need practical ideas from places once seen as peripheral, including canopy protection, irrigation precision, drought-resistant rootstocks and a more flexible approach to grape selection and wine style.