More polyphenols. Less wax. A mutation discovered in a clone of Tempranillo suggests that some old vines can adapt to higher temperatures, reports Barnaby Eales.

Reading time: 3m

Becca Yeamans-Irwin takes a scientific look at the credibility of health claims that are made about wine, and the possible impact of a changing climate.

Reading time: 5m 30s

Responding to some of the feedback to his recent piece on the challenges facing wine producers looking to reduce the weight of their bottles, Robert Joseph wonders whether the focus on the carbon footprint of heavy packaging is not, in any case, distracting the wine industry's attention from some of its other environmentally-unfriendly activities.

Reading time: 2m 45s

Hailstones the size of golf balls used to be worth talking about. Now the more appropriate comparison is with balls to be found on a tennis court, and the implications for grapegrowers ar clear.

Reading time: 2m 15s

Alentejo’s big sustainability efforts are starting to provide a competitive edge for wine producers who have obtained third-party certification from their WASP (Wines of Alentejo Sustainability Programme) membership. Barnaby Eales reports.

Reading time: 6m 45s 

A month-long drought and unusually high temperatures for this time of year are threatening Italy's agriculture. Crop losses are expected, especially in the northwest of the country and in parts of the northeast, Lazio, Puglia, Calabria and Sicily. Veronika Crecelius reports.

Reading time: 1m 55s

Over 90% of California is officially suffering from 'extreme drought'. at the beginning of a seven-month dry season. The implications for grapegrowers who rely on irrigation water and residents who face the threat of a third year of devastating wildfires are very worrying. Bulk wine producers elsewhere may benefit from California's woes, however..

Reading time: 1m 15s