Castellum AB is a Swedish company that operates in the Office Owners and Developers sector. The company is committed to decarbonisation and has set ambitious targets to reduce its carbon footprint. Castellum AB has a strong focus on corporate energy and has implemented several initiatives to improve energy efficiency and reduce greenhouse gas emissions.

One of the key initiatives that Castellum AB has implemented is the use of corporate power purchase agreements (PPAs). A PPA is a long-term contract between a company and a renewable energy provider, which guarantees the purchase of renewable energy at a fixed price. Castellum AB has signed several PPAs with renewable energy providers, which has enabled the company to source a significant amount of its energy from renewable sources. This has not only reduced the company's carbon footprint but has also provided a stable and predictable source of energy.

Castellum AB has also invested in renewable energy projects, such as wind and solar, to further reduce its carbon footprint. The company has set a target to source 100% of its electricity from renewable sources by 2025. This target is ambitious but achievable, given the company's commitment to decarbonisation and its investment in renewable energy projects.

In addition to its focus on renewable energy, Castellum AB has implemented several energy efficiency measures to reduce its energy consumption. The company has installed energy-efficient lighting, heating, and cooling systems in its buildings, which has resulted in significant energy savings. Castellum AB has also implemented a building automation system, which enables the company to monitor and control its energy consumption in real-time.

Castellum AB has also implemented a waste management program to reduce its waste generation and increase recycling. The company has set a target to achieve zero waste to landfill by 2025. This target is ambitious but achievable, given the company's commitment to sustainability and its investment in waste management infrastructure.

Castellum AB has also implemented a sustainable transportation program to reduce its carbon footprint. The company has invested in electric vehicles and charging infrastructure, which has enabled the company to reduce its reliance on fossil fuels. Castellum AB has also implemented a telecommuting program, which enables employees to work from home, reducing the need for transportation.

In addition to its focus on sustainability, Castellum AB has a strong commitment to social responsibility. The company has implemented several initiatives to support local communities, such as providing affordable housing and supporting local charities. Castellum AB has also implemented a diversity and inclusion program, which aims to create a diverse and inclusive workplace.

In conclusion, Castellum AB is a Swedish company that operates in the Office Owners and Developers sector. The company is committed to decarbonisation and has set ambitious targets to reduce its carbon footprint. Castellum AB has a strong focus on corporate energy and has implemented several initiatives to improve energy efficiency and reduce greenhouse gas emissions. The company has also invested in renewable energy projects and has signed several corporate power purchase agreements with renewable energy providers. Castellum AB has implemented several sustainability initiatives, such as waste management, sustainable transportation, and social responsibility programs. The company's commitment to sustainability and social responsibility makes it a leader in the industry and a model for other companies to follow.