Skip to Content
The Alimentary Systems journal · Aotearoa NZ

Unconventional Gold.

Waste-to-value, bioenergy and the carbon economy in Aotearoa — field notes from the living biorefinery.

// Move your cursor — the digester is feeding · click to send a pressure wave

Jun 24, 2026
Biogas & BiomethaneBiosolids & SludgeClimate & Waste Policy

The Ground Beneath Us.

Aotearoa loses 192 million tonnes of topsoil every year. Something has to change!

Read the piece →
Jun 22, 2026
Biogas & BiomethaneCarbon Markets & ETSClimate & Waste Policy

Five Billion Dollars. Offshore. For what?

Treasury has finally put a number on New Zealand's Paris bill. The only real question left is whether that value leaves the country — or builds something here.

Read the piece →
Jun 22, 2026
Biogas & BiomethaneClimate & Waste PolicyMethane & Emissions

Don't Wait for Policy: Local Action to Accelerate Energy Transitions

Key takeaways from ReEnergising!

Read the piece →
May 15, 2026
Biogas & BiomethaneCompany NewsEnergy Security

Why New Zealand Should Be Making Its Own Biofuels

Not Importing Them

Read the piece →
Apr 22, 2026
Biogas & BiomethaneBiosolids & SludgeCompany News

Cleantech Expo at AUT Auckland

Cleantech Expo at AUT Auckland

Read the piece →
Apr 13, 2026
Biogas & BiomethaneCarbon Markets & ETSClimate & Waste Policy

Door Number Three:

What Transition Engineering Means for the Future of Infrastructure

Read the piece →
Mar 17, 2026
Biogas & BiomethaneMethane & EmissionsTe Ao Māori

The Pipes Are Staying

What We Put Through Them Is the Real Question

Read the piece →
Feb 27, 2026
Biogas & BiomethaneBiosolids & SludgeWastewater Regulation

New Water Authorities, New Directors, New Risks

Why the Boards of New Zealand's Water CCOs Should Be Paying Attention to Biosolids

Read the piece →
Feb 19, 2026
Biogas & BiomethaneBiosolids & SludgeCarbon Markets & ETS

Solving Aotearoa's Waste Challenge

From the Ground Up

Read the piece →
Feb 11, 2026
Biogas & BiomethaneBiosolids & SludgeWastewater Regulation

Wellington's Wastewater Catastrophe Was Predictable

We Offered the Solution Before We Even Existed

Read the piece →
Jan 21, 2026
Biogas & BiomethaneBiosolids & SludgeMethane & Emissions

CarbonBridge novel bioreactor

Convert gases to fuels and chemicals

Read the piece →
Dec 10, 2025
Biogas & BiomethaneBiosolids & Sludge

NZ Water Review Shines a Light on PFAS Contamination

What It Means for Biosolids

Read the piece →
Feb 17, 2026
Biosolids & SludgeCarbon Markets & ETSCompany News

Regional Finalist: 2026 Global Startup Awards

Make your vote for Green Startup of the year

Read the piece →