新西兰城市、环境、地区和运输部与统计局联合发布的《大气与气候2026年报告》显示，该国环境面临日益严峻的气候挑战。根据报告，新西兰年均气温自1909年以来已上升1.36℃1，过去十年中有七个年份位列有记录以来最暖年份的前十名1。二氧化碳浓度自1972年监测开始以来增加了30%，甲烷浓度在2025年达到历史最高水平1。
冰川萎缩成为最直观的气候变化体现。该国冰川体积从1997年的56立方公里缩减至2023年的30立方公里1。报告预测，在低排放情景下，冰川体积到2100年将损失14%至86%，而在高排放情景下，这一比例将高达69%至100%1。海洋升温也在加速恶化，2025年新西兰海洋升温速度比全球平均水平快34%，已引发海绵大规模褪色、南牛带藻死亡和企鹅大量死亡等生态灾难1。
展望未来，报告预警新西兰将面临愈加频繁和剧烈的气候极端事件。热浪的频率、持续时间和强度"极有可能"增加1，日均气温超过25℃的天数到2050年"极有可能"上升1。城市、环境、地区和运输部首席科学顾问艾莉森·柯林斯表示："气候变化不仅是环保问题，也是人类故事和经济故事"1。
New Zealand's atmospheric greenhouse gas concentrations have reached unprecedented levels, according to the country's Atmosphere and Climate 2026 Report released by the Ministry for the Environment and Stats NZ.1 The nation's mean annual temperature has risen by 1.36 degrees Celsius since 1909, with seven of the past ten years ranking among the warmest on record.1 Carbon dioxide concentrations have increased by 30 percent since monitoring began in 1972, while methane levels reached their highest point in 2025.1
The climate shifts are already visibly reshaping New Zealand's environment and ecosystems. Glacier volumes have contracted dramatically from 56 cubic kilometers in 1997 to just 30 cubic kilometers by 2023, with projections indicating further losses of between 14 and 86 percent by 2100 under low-emission scenarios, and 69 to 100 percent under high-emission pathways.1 Ocean warming around New Zealand accelerated 34 percent faster than the global average in 2025, triggering widespread ecological damage including mass bleaching of sea sponges, death of bull kelp forests, and penguin die-offs.1 The report forecasts that heat waves will "very likely" increase in frequency, duration, and intensity, with the number of days exceeding 25 degrees Celsius in daily average temperatures "very likely" to rise by 2050.1
Dr. Alison Collins, chief science advisor for the Ministry for the Environment, Urban, Regional and Transport, emphasized the broader implications of these findings: "Climate change is not just an environmental issue, it is a human story and an economic story."1
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