Implement a feature that fetches data from public company databases and environmental datasets through APIs. The system will integrate these data sources for use in generating high-level reports.

Enabling integration with public company databases and environmental datasets ensures that portfolio managers have access to comprehensive and accurate data, improving the reliability and depth of their financial and environmental analysis.

* Users can fetch financial data from public company databases through APIs.

* Users can fetch environmental data from public datasets through APIs.

* The system can integrate fetched data from both financial and environmental sources.