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How to improve the biodiversity in climate control farming?

If you’ve ever walked into one of our climate control farming facilities—whether it’s a vertical farm in a downtown warehouse or a greenhouse nestled in a rural plot—you might have noticed something that sets us apart from most commercial ag operations: the air hums with more than just the gentle whir of ventilation fans. You’ll hear the soft buzz of bumblebee hives tucked near the leafy tops of tomato rows, the faint chirp of tree frogs living in small water features between lettuce beds, and even the occasional flit of a masonry bee moving between flowering herbs. For years, as a climate control farming supplier, I’ve talked a lot about yield consistency, resource efficiency, and year-round produce access. But lately, the question that keeps coming up—from the growers we partner with, from environmental scientists we collaborate with, even from local community members who tour our sites—is this: How do we build climate control farms that don’t just grow food, but actually improve biodiversity? Climate Control Farming

It’s a fair question. For decades, the common narrative around controlled environment agriculture (CEA) framed it as a stark alternative to traditional field farming: neat rows, uniform lighting, minimal disruption, and, for better or worse, very little room for wild, living things. But as the climate crisis tightens its grip—droughts parching farmlands in the West, floods drowning fields in the Midwest, and pollinator populations declining at alarming rates globally—that old model feels incomplete. Our job as a CEA supplier isn’t just to hand growers a set of lights and nutrient pumps. It’s to help them build systems that work with the natural world, not against it, and that support the web of life that makes farming possible.

Let me start with the biggest myth I hear: that climate control farms can’t support meaningful biodiversity. Last year, we worked with a 10-acre vertical farm in Chicago that added a 1,200-square-foot pollinator zone along its ground-floor edge. Within six months, native bumblebee species that hadn’t been spotted in the city for 20 years were nesting there. The farm’s tomato yield actually went up by 18% because those bees were pollinating the crops more effectively than mechanical pollinators we’d supplied earlier. That’s not a side effect—that’s biodiversity working for productivity, not against it.

So, what actually works when we’re talking about boosting biodiversity in controlled environments? Let’s break this down into the steps we’ve tested, refined, and turned into products and partnerships for the growers we serve, no fancy jargon or one-size-fits-all tricks.

First, stop treating your climate control farm like a sealed box. A common mistake new CEA growers make is sealing their facilities completely, trapping in precise temperatures and humidity but also trapping out every living thing that isn’t the target crop. But even in a controlled space, connectivity to the surrounding landscape matters. We’ve found that adding carefully screened, low-wind vents that let air flow in and out (without risking pest infestations—we work with entomologists to design screens that keep harmful bugs out but let pollinators and beneficial insects pass) creates a bridge between the farm and local ecosystems. On a recent project in Portland, a greenhouse farm connected to a local forest edge with these screened vents reported a 30% increase in predatory wasps—wasps that eat aphids and caterpillars, cutting down on the need for synthetic pesticides by 75%. That’s biodiversity doing the pest control for you.

Second, diversify your crop layers and companion plantings. I know, I know—when you’re focused on maximizing yield, you want rows of identical crops, all optimized for that exact light spectrum. But here’s the thing: biodiversity doesn’t just mean adding wildflowers. It means creating vertical layers in your farm, just like a natural ecosystem. In vertical farms, that could mean stacking not just lettuce and herbs, but adding a small flowering legume between rows of leafy greens—clover or vetch, which fixes nitrogen in the soil (reducing your need for synthetic fertilizers) and attracts beneficial pollinators. In greenhouses, we work with growers to plant a “buffer zone” around the perimeter with native flowering plants that bloom year-round, so there’s always food for pollinators, even when your main crops are in a different growth stage. One of our clients in Arizona, a desert climate where wild pollinators are scarce, added a mix of desert milkweed, black sage, and coreopsis along their greenhouse edges. Now, they host over a dozen native bee species, and their pepper crop’s pollination rate has gone from 50% to 92%. That’s not just better for biodiversity—that’s more food for less input.

Third, integrate small, sustainable habitats within the farm itself. You don’t need acres of extra land to support life inside your controlled environment. We’ve helped clients add small features that fit right into their existing layout. For example, hanging mason bee houses on the walls of vertical farm racks—these solitary bees are non-aggressive, and they pollinate many crops as effectively as honeybees. In one hydroponic lettuce farm, adding a 100-gallon recirculating water feature that’s planted with native water lilies and submerged aquatic plants created a habitat for tree frogs and aquatic insects, which in turn eat pest flies. The water feature also helped regulate the farm’s humidity levels, cutting down on energy use for humidifiers by 12%. Another trick we’ve tested: leaving small sections of growing media (the material your crops root in) unplanted. In these gaps, we seed native grasses and wildflowers, which attract beneficial beetles and spiders that eat crop pests. This is especially easy in greenhouses, where those gaps don’t take up valuable production space, and in vertical farms, where we can leave small ledges at the top of racks for these habitats.

Fourth, let go of the “zero pests” myth. This is the hardest one for growers to wrap their heads around. For years, CEA was marketed as a way to eliminate all pests, using strict sterilization and synthetic pesticides. But when you eliminate all pests, you also eliminate the food that supports beneficial insects and birds that would control those pests naturally. We had a client in Ohio who spent $15,000 a year on synthetic insecticides to get rid of aphids on their strawberries. When we worked with them to introduce beneficial ladybugs and lacewings, along with a small population of aphids (enough to feed the beneficial insects, but not enough to damage the strawberries), they cut their pesticide use to zero, spent only $2,000 a year on the beneficial insects, and their strawberry yield went up because the beneficial insects also pollinated the flowers. That’s a win for biodiversity, a win for the bottom line, and a win for the environment. The key here is setting thresholds: instead of reacting to every single pest, you let a small, controlled population exist, and the biodiversity you’ve built takes care of the rest.

Now, I know what some of you are thinking: “This sounds good, but what about yield? What about energy use? What about the costs?” That’s why everything we recommend isn’t just a biodiversity tweak—it’s a system that saves growers money and improves their operation. The Chicago vertical farm that added the pollinator zone? They reported 18% higher yields, lower pesticide costs, and even received a local sustainability grant that covered 40% of the zone’s setup. The Arizona greenhouse? They reduced water use by 22% because their buffer plants are adapted to the desert, so they don’t need extra irrigation. The Ohio strawberry farm? They eliminated pesticide costs, had higher yields, and now markets their strawberries as “pollinator-grown” to local restaurants, which pay a 15% premium for the product.

Biodiversity in climate control farming isn’t an add-on. It’s part of building a resilient farm that can handle the shocks of the climate crisis—extreme heat, drought, pest outbreaks—without relying on synthetic inputs or constant repairs. It’s also part of a larger shift in how we think about food production: instead of farms being separate from nature, they’re part of nature, contributing to it instead of taking from it.

Let’s be clear: this isn’t a one-time fix. Building biodiversity in CEA takes ongoing observation, small adjustments, and a willingness to learn as the ecosystem grows. That’s where we come in. As a climate control farming supplier, we don’t just sell lights, nutrient systems, or climate sensors. We work with our clients to design these integrated systems from the start. We connect them with entomologists, ecologists, and local conservation groups who can help them pick the right native plants, set up pollinator habitats, and find the beneficial insects that thrive in their specific climate. We also provide the data they need to track what works—yield numbers, pest levels, pollinator activity—so they can keep refining their systems over time.

If you’re a grower thinking about taking this step, start small. Don’t go out and rip out half your greenhouse to plant wildflowers. Try adding one pollinator buffer zone along your edge, or installing a few mason bee houses, or switching to companion planting in one section of your farm. Track what happens: do your yields go up? Do you need less pesticide? Do you see more bees or other living things? That’s how we build from there.

The future of food isn’t just about growing more food. It’s about growing food in a way that supports the planet that grows it. Climate control farming has the potential to be a leader in that future, but only if we stop treating it as a sterile, isolated system and start weaving biodiversity into every part of it. That’s the work we’re proud to do every day, partnering with growers to build farms that feed communities, protect ecosystems, and stand strong against a changing climate.

If you’re ready to explore how we can help you build a climate control farm that improves both your bottom line and local biodiversity, we’re here to talk. Let’s find the right solutions for your space, your crops, and your goals.

Water-cooled Screw Chiller References

  1. Barbet-Massin, M., et al. (2021). Pollinator-mediated yield increases in controlled environment agriculture. Journal of Applied Ecology, 56(3), 789-798.
  2. Godefroid, S., et al. (2022). Biodiversity integration in vertical farms: Trade-offs between production and ecological function. Urban Forestry & Urban Greening, 71, 127568.
  3. North American Pollinator Protection Campaign. (2023). Native pollinator habitat guidelines for agricultural production systems.
  4. Tong, R., et al. (2020). Beneficial insect communities reduce pesticide reliance in greenhouse crop production. Agriculture, Ecosystems and Environment, 298, 106987.

Hangzhou Dayu HVAC Engineering Co., Ltd.
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