There are several ways that companies can mitigate the climate impact on IAS 34:

1. Perform a climate risk assessment: Companies should assess their exposure to climate risks, such as physical risks and transition risks, and determine how these risks may impact their financial performance. By understanding the potential impact of climate risks, companies can better prepare for and mitigate their effects.
2. Disclose climate-related risks and opportunities: Companies should disclose their exposure to climate risks and opportunities in their interim financial statements prepared under IAS 34. This disclosure should be clear, comprehensive, and relevant to the company's operations and financial performance.
3. Use scenario analysis: Companies can use scenario analysis to assess the potential impact of different climate-related risks and opportunities on their financial performance. Scenario analysis can help companies to better understand the potential range of outcomes and make more informed decisions about how to mitigate climate-related risks.
4. Adopt sustainable business practices: Companies can adopt sustainable business practices to mitigate their exposure to climate-related risks and reduce their carbon footprint. For example, companies can invest in renewable energy, improve energy efficiency, reduce waste, and adopt sustainable supply chain practices.
5. Seek professional guidance: Companies can seek guidance from accounting professionals and climate experts to ensure that they are appropriately accounting for the impact of climate change on their financial statements. Professional guidance can help companies to identify areas of risk and opportunity and implement effective strategies to mitigate the impact of climate change on their financial performance.

Overall, by taking a proactive approach to addressing the climate impact on IAS 34, companies can better manage their exposure to climate risks and opportunities and ensure that they are providing accurate and comprehensive financial information to their stakeholders.