Zack Polanski, leader of the Green Party in the United Kingdom, delivered a speech on climate change yesterday in Westminster, marking a rare high-profile intervention on the issue from the party’s figurehead. The address came nearly three months after the UK experienced its first record-breaking heatwave of the year, underscoring ongoing concerns about the impacts of extreme weather and climate crisis.

Polanski, who recently relocated from a houseboat to a flatshare in Hackney, laid out several policy proposals intended to address the country’s escalating climate challenges. Among his key demands was the creation of free and accessible “cool spaces” in local communities to help residents cope with rising temperatures. While he did not elaborate on what these spaces would look like, the concept has been discussed previously as a means to provide relief during heatwaves.

He also called for financial assistance to help households “heatproof” their homes, a reference to improving energy efficiency to reduce both heating and cooling costs. This idea echoes the objectives of the discontinued Green Homes Grant scheme introduced under former Chancellor Rishi Sunak, which was widely criticised for its implementation and limited impact.

Another focus of Polanski’s speech was the need for a more comprehensive wildfire prevention and response service. Highlighting recent fires in Suffolk, where a private helicopter was contracted by the National Trust to fight a blaze near Dunwich Heath, Polanski argued for government-funded resources, including firefighting helicopters, to better tackle such emergencies without relying on charities or private contracts.

To support these initiatives, Polanski advocated taxing fossil fuel companies, which he blamed for contributing to the worsening climate crisis. However, such a move faces significant political and economic hurdles, given the pervasive involvement of fossil fuel investments in UK pension funds and the sensitivity of energy prices among voters.

Polanski also called for renationalising the water sector to address what he described as a failing privatised system, where infrastructure underinvestment has led to poor service and escalating water bills. He criticised the diversion of funds to shareholders rather than reinvestment, but acknowledged the challenge of recouping past losses without imposing additional costs on consumers.

Turning towards government policy, Polanski directly appealed to the prime minister to halt new oil and gas drilling projects, stating that scientific consensus demands a reduction in carbon emissions to secure a liveable future. While the necessity of emission reductions is widely accepted, strategies to manage the transition continue to provoke debate.

In a question-and-answer session following his speech, Polanski rejected suggestions that he had neglected environmental issues since becoming party leader. The intervention was noted as a significant moment for the Green Party amid increasing public concern about climate change and related crises.

Polanski’s address underscores the ongoing challenges and political complexities faced by climate advocates in the UK as they seek to translate urgent environmental needs into actionable policies.