But the point of his and Wolkovich's study, he says, was partly to provide winemakers with information that could help them adapt to warmer future conditions, rather than flee from them.

While altitude change threatens littoral cities and generates acute weather, the furnishings of all-around abating could accompany acceptable account to some of France's a lot of admired vineyards.

But scientists have warned that if the trend continues too long, the current run of outstanding grape harvests could end.

Climate change had "fundamentally altered the climatic drivers of early wine grape harvests in France" by accelerating the time it takes for wine grapes to mature, which in turn creates higher quality wine. Cook also notes that in 2003, an extremely dry growing season led to one of France's earliest harvests on record, with growers picking grapes several weeks earlier than usual.

"But that is shifting with climate change", she told AFP. Study coauthor Elizabeth Wolkovich, an ecologist at Harvard University, said that the switch has not hurt the wine industry yet. "The first is that harvest dates are getting much earlier, and all the evidence points to it being linked to climate change", Wolkovich said. At least in the short term, you'll have higher-quality wines to drink away your woes. In climate change, temperatures are rising in non-drought years and that may upset the traditional relationship. The wines produced, however, were not remarkable, she said. And, grape harvests are only one of many biological cycles already being affected by warming climate, with uncertain results. "You should be paying attention to how the climate changes".

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In the past, early wine grape harvests have always required both above-average air temperatures and the added kick of a late-season drought, leading to warmer, drier soils and rapidly maturing grapes. "But since 1980, it's been so warm because of climate change that you can get the hot summers and really early harvests without needing a drought". "But aback 1980, it's been so balmy because of altitude change that you can get the hot summers and absolutely aboriginal harvests afterwards defective a drought". "That means there's been a fundamental shift in the large-scale climate under which other, local factors operate", Cook said.

Time series of grape harvest date anomalies, composited from the Alsace, Bordeaux, Burgundy, Champagne 1, Languedoc (Lan), Lower Loire Valley (LLV), Southern Rhone Valley, and Switzerland at Lake Geneva.

But Cook says the acceptable acumen that hotter weather, and an beforehand harvest, agency bigger wine may alone authority accurate to a point. Well, it appears that the overall increased year-round heat is helping speed up each individual harvest, making for quicker batches and more highly rated wines.

These changes aren't the only problem plaguing wine growers in France: Climate change is also bringing extreme weather, and the heavy rains and hailstorms that are increasingly following summer heat waves can damage grapes. It's these conditions that have historically led to higher-quality wines.

If we accumulate blame the calefaction up, vineyards can't advance that forever. "But as we go forward, with projections of 2 or more degrees of additional warming, we could be talking about significantly earlier harvests".