(Cover image credit: Calm the Farm)On this website, I have written how the hydroxyl radical, derived from water vapour in the presence of ultraviolet light (UV), oxidises methane. This is simplified but essentially correct, but I went on to claim that the quantum of hydroxyl radicals produced in a pastoral setting is sufficient to oxidise … Continue reading Methane, did I get it wrong?
In September 2025 the Food and Land Use Coalition published Re-WIRE Agri-Food Value Chains. The report presents a framework to map risks and opportunities across major commodity value chains (e.g. beef, soy, cocoa), showing how climate, regulatory, financial, and human rights pressures are reshaping agrifood systems, and offering pathways for more resilient, regenerative supply chains. … Continue reading Agri-Food value chains
The Climate Commission is seeking feedback on three topics relating to emissions reductions. You can access them here. I requested a list of the questions as typically, when entered into an online feedback form it is difficult to save a draft or share your thinking with others. The questions for the three consultations are here. … Continue reading Submissions to the 2024 Review of Aotearoa New Zealand’s 2050 emissions reduction target
A paper about methane that I have been working on with a team of scientists and practitioners is now published. A nuanced understanding of methane is important for Aotearoa, as the dominant view positions methane emissions as a major problem. But our predominantly pasture-based agricultural systems operate in ways that emit methane, also support the … Continue reading Methane: Sources, Sinks and Uncertainties
Professor Myles Allen of Oxford University, and a lead author of the October 2018 IPCC report, spoke to a capacity crowd in the Whangarei library tonight. Professor Myles Allen His core message for New Zealand was about methane. He debunked prevailing assessments that linked methane CO2 equivalents (e), claiming that it has a significantly different … Continue reading Kiwi cows – climate change champions!
Climate Action Tai Tokerau 