Beetroot Chips vs Pumpkin Seeds: Carbon Footprint Comparison

Overview

When standing in the snack aisle, the choice between Store-bought Baked Beetroot Chips vs Raw Shelled Pumpkin Seeds often feels like a win-win for your health. Both offer a nutrient-dense alternative to the greasy, high-sodium potato chips of the past. However, from a planetary perspective, these two snacks represent fundamentally different industrial journeys. One is a root vegetable that has undergone intense moisture removal through industrial heating, while the other is a high-protein seed that requires significant agricultural resources but minimal post-harvest processing.

The carbon footprint of beetroot chips is often underestimated because we perceive vegetables as inherently "low impact." In reality, the transition from a heavy, water-filled beet to a light, crispy chip involves massive energy inputs. On the other hand, pumpkin seeds (pepitas) carry the burden of land use and water, but they skip the energy-intensive dehydration phase. Understanding this trade-off is essential for the climate-conscious snacker.

The Numbers

When we look at the data per 100g serving, the differences become clear:

• Raw Shelled Pumpkin Seeds (100g): Approximately 0.42 kg CO2e.
• Baked Beetroot Chips (100g): Approximately 1.15 kg CO2e.

To put this in perspective, eating a 100g pouch of beetroot chips is roughly equivalent to driving a standard gasoline car for 3 miles (4.8 km), whereas the pumpkin seeds represent less than a mile of driving. While both are significantly better for the planet than beef jerky or highly processed dairy snacks, the beetroot chips carry a footprint nearly three times larger than the raw seeds.

Why the Difference in Carbon Footprint?

1. The Energy Cost of Dehydration

The primary driver behind the high carbon footprint of beetroot chips is the dehydration process. A raw beetroot is roughly 88% water. To produce a 100g bag of chips, a manufacturer must start with approximately 800g to 1kg of raw beets. Removing that much water requires sustained high temperatures in industrial ovens or dehydrators for several hours. Unless the facility is powered entirely by renewables, this thermal energy—usually derived from natural gas—adds a massive carbon premium to every gram of the finished product.

2. Concentration of Impact

Because it takes nearly a kilogram of raw beets to make a small bag of chips, you aren't just concentrating the flavor; you are concentrating the agricultural footprint. Every bit of fertilizer, every liter of irrigation water, and every tractor-mile used to grow that kilogram of beets is packed into that single 100g pouch.

3. Processing vs. Agriculture

Pumpkin seeds are a byproduct of the pumpkin industry or grown specifically for their oil-rich kernels. While the agricultural phase for seeds is resource-intensive (requiring more land and water per kg than a root vegetable), the post-harvest processing is minimal. Raw pepitas are mechanically shelled and dried at low temperatures. They do not undergo the extreme heat-treatment or the addition of processed oils often found in "baked" vegetable chips, which significantly lowers their total emissions profile.

4. Packaging and Volume

Beetroot chips are fragile and low-density. To prevent them from turning into dust during shipping, they are often packed in larger, nitrogen-flushed plastic pouches. This increases the "volume-to-weight" ratio, meaning fewer units fit on a shipping truck compared to the dense, compact nature of pumpkin seeds. This leads to higher transport emissions per gram of actual food delivered.

What You Can Do

Choosing the more sustainable snack doesn't mean giving up on variety, but it does require a bit of strategy:

• Choose Seeds and Nuts: For a high-protein, low-carbon snack, raw seeds like pumpkin or sunflower seeds are almost always the winners over processed vegetable "crisps."
• Check the Processing: If you love beetroot chips, look for "freeze-dried" or "air-dried" labels, though these still carry an energy cost. Better yet, look for brands that specify they use renewable energy for their dehydration facilities.
• DIY Dehydration: Dehydrating vegetables at home in a modern, efficient air fryer or dehydrator can be lower impact if your home runs on a green energy tariff.
• Buy in Bulk: Both snacks are shelf-stable. Purchasing 1kg bags instead of 100g pouches significantly reduces the carbon impact of the plastic packaging and the logistics chain.

Bottom Line

While both snacks are healthier than the traditional vending machine fare, Raw Shelled Pumpkin Seeds are the clear environmental winner. The hidden energy cost of industrial baking makes the carbon footprint of beetroot chips surprisingly high for a vegetable product. By choosing whole, minimally processed seeds, you reduce your snack-time emissions by over 60%.

Curious about how your other favorite snacks stack up? Use our tool to calculate your personal food footprint and find more ways to eat for the planet.