Yahoo Japan Corporation is a Japanese company that operates in the Health Care Services sector. The company is a subsidiary of SoftBank Group Corp. and was founded in 1996. Yahoo Japan is one of the largest internet companies in Japan and provides a range of services including search engines, e-commerce, online auctions, and media.

In recent years, Yahoo Japan has been actively working towards decarbonisation and reducing its carbon footprint. The company has set a target to reduce its greenhouse gas emissions by 50% by 2030, compared to its 2013 baseline. To achieve this goal, Yahoo Japan has implemented various measures such as energy-efficient data centers, renewable energy, and corporate power purchase agreements (PPAs).

One of the key initiatives taken by Yahoo Japan towards decarbonisation is the use of renewable energy. The company has installed solar panels on the rooftops of its data centers and offices, which generate clean energy and reduce the company's reliance on fossil fuels. In addition, Yahoo Japan has also signed a PPA with a renewable energy provider, which allows the company to purchase renewable energy directly from the source.

Corporate PPAs are an innovative way for companies to procure renewable energy. In a corporate PPA, a company enters into a long-term agreement with a renewable energy provider to purchase a fixed amount of clean energy at a fixed price. This provides a stable and predictable source of renewable energy for the company, while also supporting the growth of the renewable energy industry.

Yahoo Japan's corporate PPA is with a wind power company, and it allows the company to purchase 25,000 MWh of renewable energy per year. This is equivalent to the amount of energy needed to power 7,000 households for a year. By purchasing renewable energy through a corporate PPA, Yahoo Japan is not only reducing its carbon footprint but also contributing to the growth of the renewable energy industry in Japan.

In addition to renewable energy, Yahoo Japan is also focusing on corporate energy efficiency. The company has implemented various measures to reduce its energy consumption, such as the use of energy-efficient lighting and cooling systems. Yahoo Japan has also introduced a system to monitor the energy consumption of its data centers in real-time, which allows the company to identify areas where energy can be saved.

Yahoo Japan's commitment to decarbonisation and renewable energy is not only good for the environment but also for the company's bottom line. By reducing its energy consumption and purchasing renewable energy, Yahoo Japan is able to save on energy costs and improve its profitability. In addition, the company's sustainability initiatives are also helping to enhance its brand reputation and attract customers who are concerned about the environment.

In conclusion, Yahoo Japan Corporation is a Japanese company that operates in the Health Care Services sector. The company is committed to decarbonisation and reducing its carbon footprint, and has set a target to reduce its greenhouse gas emissions by 50% by 2030. To achieve this goal, Yahoo Japan has implemented various measures such as renewable energy, corporate PPAs, and corporate energy efficiency. These initiatives not only benefit the environment but also contribute to the company's profitability and brand reputation. Yahoo Japan's commitment to sustainability is a model for other companies in Japan and around the world.