Its no secret that Texans like tequila. In fact, its a point of pride. Between patio margaritas, rooftop palomas and late-night shots, we consumed a little more than 18 million liters of the agave-based spirit in 2018. That accounts for a respectable one-ninth of the entire countrys consumption, according to data from IWSR Drinks Market Analysis.

Of course, like all things delicious and from the earth, sustainable agricultural practices are key to ensuring that its still around for us to enjoy long term.

The future of agave depends upon genetic diversity, says Grover Sanschagrin, the Jalisco, Mexico-based co-founder of tastetequila.com and the Tequila Matchmaker app. Right now, the entire industry is using blue agave with the exact same genetic code, because they are harvesting the hijuelos, baby plants that are clones of the mother.

The clones are an efficient means to an end. If allowed to flower and sexually reproduce on their own a process that often takes as long as 12 years agave plants wont have enough juice left to distill. To combat this dilemma, growers clone the agaves, ensuring theyre able to harvest the plants when perfectly ripe, usually between six and eight years of age. But, while efficient, the practice is inherently risky. If one gets a disease, it could wipe out all of the plants, Sanschagrin says.

Its a risk that some tequila producers are hoping to mitigate. And the steps they choose to take now will affect tequilas availability and quality in the future.

One brand at the forefront of progressive sustainability practices is El Tesoro, which is made at the La Altea Distillery located in the Jalisco highlands, about 6,000 feet above sea level. Led by master distiller Carlos Camarena, El Tesoro does things the old way the hard way. Agaves are grown entirely on the familys estate, hand-harvested after seven to eight years, slow-cooked in brick ovens and then crushed with a 2-ton stone called a tahona.

But even a brand steeped in tradition knows that it must look toward the future to ensure its success. Thats why Camarena is part of the Bat Friendly Tequila and Mezcal Project, which promotes biodiversity among agave plants. Today, El Tesoro allows between 2% and 5% of its plants to reach full maturity and bloom. For tequila producers, setting aside even a small percentage of the crop represents a substantial financial hit, as those plants cant be harvested, distilled and monetized.

Its good news for the bats, though. They are natural pollinators of agave plants, feeding on the nectar of mature plants and cross-pollinating from field to field. Its a symbiotic relationship. Formerly endangered species like the lesser long-nosed bat have more food to eat now, and their pollinating efforts promote biodiversity among the agaves.

Its too soon to know exactly how successful the project will be in the long run. Many scientists believed that, after so many years of cloning, it would be impossible for the blue agaves to reproduce sexually. But the results have already defied expectations. Camarenas team has been nurturing seedlings in a greenhouse, and roughly 5% have yielded sprouts, potentially representing a new genetic wave of agaves.

Camarena is playing the long game. Maybe well see results in 80 or 100 years, he says, but this isnt something were doing for our own lifetime.

While El Tesoro is one of the innovators leading the sustainability charge, its not alone. Ubiquitous giant Patrn commissioned a study at the National Center of Genetic Resources, Mexicos biodiversity bank in Jalisco, to analyze blue agaves genetics in hopes of establishing future recommendations for the industry that will promote long-term sustainability. And even smaller producers such as Ghost are playing a part.

People in the industry tend to look at agave sustainability as an issue that should be addressed by the large tequila companies, says Chris Moran, founder and CEO of Ghost Tequila. I dont agree at all. This is a matter of importance that every tequila producer needs to take seriously, to share in the responsibility to ensure the longevity of this crop.

He notes that they control their own agave fields, which allows them to institute responsible agronomy practices, such as planting alternate crops after agave harvests to allow the soil to regenerate.

But its not just the distillers who have a say in the matter. Bars, restaurants and retail shops can make an impact via the products they choose to carry.

According to Chris Dempsey, a bartender at Atwater Alley and the mezcal- and tequila-focused La Viuda Negra, its important for bars to consider how spirits are made when deciding what to stock and pour. He notes that his bars wont carry any products made with a diffuser, a machine that significantly shortens the harvest-to-bottle timeline and strips out a lot of the agaves character. He prefers to support the people who put in the time and effort to produce the best possible products, noting a few favorite brands, including Siembra Valles, Tequila Ocho and El Tesoro.

Camarena has been instrumental in sustainability and biodiversity, Dempsey says. He is the leader to watch when talking about and practicing sustainability with agave and Mexican spirits.

Spirits right now have the ability more than ever to be responsible, not just in production, but socially, says Jose Gonzalez, a bartender at Midnight Rambler inside the Joule hotel. It says a lot for a company when they put their money and their plants on the line.

He adds that Camarena is a guardian of agave plants, not just an owner, and that mindset impacts everything from the distillerys light environmental footprint to the quality of the product.

People should care about what they put in their bodies as well as who it affects, like the producers and farmers, Gonzalez says. As much as we go to the farmers market to grab local produce, we should know who grows the agave.

Dempsey also urges consumers to fight the good fight.

Think about it, he says. You want to work out and eat all this amazing organic food, but then you go and drink some subpar spirits just because of marketing and a low price. That defeats the purpose of being healthy. If you really want to help the cause, dont drink diffuser tequila, and help support any sustainable agave program.

According to Sanschagrin, at todays market prices, each 1-liter bottle of traditionally-made 100% agave tequila contains about $10.70 worth of agave inside. So, while we consumers dont have a hands-on impact on the plants growing in Mexico, we can exert our influence with how we choose to spend our hard-earned tequila money.

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The future of tequila: How clones, bats and biodiversity will help agave survive - The Dallas Morning News