Planning an environmentally friendly funeral
A few months ago, I sat with a family planning their father's funeral. He’d been an environmental scientist who’d spent his career studying native ecosystems. "He lived so carefully," his daughter said. "He composted, he cycled everywhere, he planted thousands of native trees. It feels wrong to have his farewell create a massive carbon footprint when that’s exactly what he worked against his whole life."
This conversation happens more frequently now. Families are increasingly aware that funeral choices carry environmental consequences, and many want their farewells to reflect that.
Understanding the environmental impact
The funeral industry’s environmental footprint is more significant than most people realise. In New Zealand, each cremation produces approximately 226kg of CO₂. Each burial, by contrast, emits around 39kg of CO₂. These figures surprise many families who assume cremation is inherently the greener option.
Whilst burial has a lower carbon footprint per service, it involves ongoing land use. Many cemeteries and urupā are reaching capacity, raising questions about sustainable land use. Elaborate caskets also require significant resources.
Cremation avoids land-use concerns but requires intense heat—typically 800-1000 degrees—burning significant fossil fuels and releasing emissions. Neither option is environmentally neutral, which is why families seeking sustainable funerals focus on minimising impact rather than achieving perfection.
What sustainable choices look like
For the environmental scientist’s family, we explored several options. Natural burial emerged as their preferred choice—placing his body in a biodegradable casket made from locally sourced pine, avoiding embalming, and burying him in a natural cemetery where native plantings would replace traditional lawn maintenance.
Natural burial sites address multiple environmental concerns simultaneously. Bodies decompose naturally, returning nutrients to soil. Native plants support biodiversity rather than requiring pesticides and constant mowing. The land often forms part of conservation projects, creating living memorials that benefit the ecosystem.
For families choosing cremation, several options reduce environmental impact. Direct cremation minimises overall resource use. Biodegradable urns made from salt, sand, or paper break down naturally. Some families are investigating alkaline hydrolysis (water cremation), an emerging technology that significantly reduces emissions where available.
The details matter too
Sustainable funerals extend beyond burial or cremation into dozens of smaller decisions. Caskets represent one of the largest environmental considerations—choosing locally sourced sustainable timber rather than imported hardwoods reduces both carbon footprint and resource depletion. Some families select woven options made from willow or bamboo that biodegrade completely.
I worked with a family recently who chose cardboard caskets that their grandchildren decorated with drawings. It felt more personal, whilst being completely biodegradable.
Flowers present another opportunity. Locally grown blooms avoid the carbon cost of international shipping, whilst seasonal native flowers support local growers. Some families forego cut flowers entirely, asking guests to bring potted natives that can be planted afterwards.
Embalming, which preserves and sanitises the body can be done with low exposure chemicals. Eco-embalming products also offer options to sanitise and deodorise where there isn’t a lengthy delay before a funeral.
Even service logistics matter. Encouraging carpooling, choosing nearby venues, selecting local caterers, and printing service sheets on recycled paper or offering digital alternatives—these small decisions compound into meaningful environmental consideration.
Creating a lasting legacy
The most meaningful sustainable funerals extend environmental care beyond the service itself. Planting native trees creates tangible, growing tributes whilst supporting ecosystem restoration. Donations to environmental organisations in lieu of flowers honour the person’s values through action.
The environmental scientist’s family established a small fund that sponsors native plantings in the conservation area where he’s buried. Each year on his birthday, they gather there to see how the site has developed—watching native birds return, noticing new seedlings, observing the ecosystem regenerating. His funeral became not just a moment of farewell but the beginning of an ongoing environmental contribution.
This is perhaps the deepest value of sustainable funeral practices—they transform death from purely a moment of loss into an opportunity for continuing care.
Finding your balance
Sustainable funerals aren’t about perfection. Not every family wants or can afford a natural burial. Not everyone lives near conservation cemeteries. Some religious or cultural practices have specific requirements that limit environmental considerations.
What matters is thoughtfulness—making whatever sustainable choices feel authentic and achievable for your family. Even families choosing traditional services can incorporate sustainable elements: locally made caskets, native flowers, biodegradable urns, or donations to environmental causes.
The environmental scientist’s daughter told me afterwards that knowing her father’s funeral reflected his life’s work brought unexpected comfort. “It felt like honouring who he really was,” she said, “right until the end and beyond.”
Honour the person authentically. For those whose lives embodied environmental care, sustainable funeral practices offer that final expression of values, creating farewells that care not just for the person who’s died but for the world they’ve left behind.
Sam - representing the Funeral Directors Association of New Zealand (FDANZ).