Greenpeace and public advocates are calling on Environment Canterbury to take stronger action to protect drinking water in Canterbury. Critics argue that the regulatory body is exhibiting regulatory capture by failing to prioritize freshwater ecosystem health over corporate dairy expansion, which has already led to increased nitrate contamination in the region.

The Environmental Law Initiative has filed a judicial review alleging that Environment Canterbury failed to fully assess the environmental and public health impacts before granting a nitrogen discharge consent to MHV Water Ltd, potentially endangering local drinking water supplies and freshwater ecosystems.

Environment Canterbury formally submitted a response to the Justice Committee opposing the Principles of the Treaty of Waitangi Bill, arguing that the Bill undermines longstanding partnerships with Ngāi Tahu and conflicts with Crown Treaty obligations. The submission emphasized that the Bill's failure to account for regional nuances could damage the mutually beneficial relationship established through effective consultation and adherence to Treaty principles.

Environment Canterbury councillors reaffirmed their commitment to indigenous representation by voting to retain the Ngāi Tahu Representation Act, ensuring mana whenua are represented in local decision-making processes.

On November 27, 2023, Environment Canterbury, as part of the Canterbury Regional Transport Committee, approved a draft Regional Land Transport Plan that includes a proposal for a $10.8 billion investment in Canterbury's transport system. The plan will be shared with the community for formal consultation in early 2024.

Environment Canterbury, led by Chairperson Peter Scott, has called on the central government to provide co-investment in infrastructure projects aimed at mitigating flood risks caused by climate change in the Canterbury region. The proposal emphasizes that the financial burden should not fall solely on local ratepayers, highlighting the need for structural support through government funding to upgrade river management and flood defense measures.

Environment Canterbury received $360,000 from the Ministry for the Environment to fund three nature‐based flood protection projects that incorporate mātauranga Māori and community engagement to build climate resilience.

Environment Canterbury has received $360k from the Ministry for the Environment to fund nature‐based flood protection projects and enhance community resilience. The council Chair also sent an open letter to election candidates advocating for sustained co-investment, underlining proactive political engagement in public safety and responsible environmental stewardship.

Approximately 150 Environment Canterbury workers went on strike due to stalled union pay and contract negotiations, with the union demanding the inclusion of a clause recognizing Te Tiriti (The Treaty of Waitangi) to validate and respect employee cultural beliefs, particularly those of Māori.