The City of Hamilton is taking a significant step towards combating climate change by implementing its first-ever carbon budget in 2027. This move is a response to the city's declaration of a climate change emergency in 2019, driven by the increasing local impacts of climate hazards such as heat waves, severe flooding, and shoreline erosion. The budget will set a limit on the total amount of carbon the city can emit, aligning with the global goal of keeping warming within 1.5°C, as outlined in the Paris Agreement, with the ultimate aim of achieving net-zero emissions by 2050. This ambitious goal is supported by a youth-led plan released by Environment Hamilton in 2023, which suggested the creation of a carbon budget among other measures to reduce the city's dependence on fossil fuels. The budget is set to start as a pilot in 2027, focusing on select divisions and capital projects over $250,000, with the aim of being fully implemented by 2030. This approach will allow the city to understand the climate impact of its decisions in the same way it considers financial impacts. Additionally, a voluntary, self-reporting carbon budget process will be developed to help residents, businesses, and organizations track and reduce emissions. However, the policy includes a controversial aspect: corporate carbon offsets and credits. Critics argue that these offsets and credits don't effectively reduce emissions, and instead, raise questions about the city's commitment to genuine climate action. Despite this, the carbon budget represents a crucial step towards a more sustainable future for Hamilton, and it will be fascinating to see how the city navigates the challenges and opportunities that this new policy brings.