Dentsu Inc. is a Japanese multinational advertising and public relations company that operates in the Advertising Agencies & Services sector. The company was founded in 1901 and has since grown to become one of the largest advertising agencies in the world, with a presence in over 145 countries. Dentsu Inc. is headquartered in Tokyo, Japan, and has a workforce of over 62,000 employees globally.

Dentsu Inc. has been at the forefront of the advertising industry for over a century, and the company has always been committed to innovation and sustainability. In recent years, Dentsu Inc. has been focusing on decarbonisation and renewable energy as part of its corporate social responsibility (CSR) initiatives. The company has been working to reduce its carbon footprint and promote the use of renewable energy in its operations.

One of the ways that Dentsu Inc. is working towards decarbonisation is through its corporate energy management program. The program aims to reduce the company's energy consumption and carbon emissions by implementing energy-saving measures and promoting energy efficiency. Dentsu Inc. has set a target to reduce its carbon emissions by 46% by 2030, compared to its 2016 levels.

Another way that Dentsu Inc. is promoting renewable energy is through its corporate power purchase agreements (PPAs). A corporate PPA is a long-term contract between a company and a renewable energy provider, in which the company agrees to purchase a certain amount of renewable energy at a fixed price. Dentsu Inc. has signed several corporate PPAs with renewable energy providers in Japan, including solar and wind power projects. These PPAs allow Dentsu Inc. to reduce its carbon footprint and support the growth of renewable energy in Japan.

Dentsu Inc. has also been promoting renewable energy through its advertising campaigns. The company has created several campaigns that promote the use of renewable energy and encourage people to make the switch to clean energy. One of these campaigns is called "Green Power for a Sustainable Future," which promotes the use of renewable energy in Japan and encourages people to switch to green power providers.

In addition to its decarbonisation and renewable energy initiatives, Dentsu Inc. has also been working to promote sustainability in other areas of its business. The company has set a goal to achieve zero waste to landfill by 2030, and it has been implementing waste reduction and recycling programs in its offices around the world. Dentsu Inc. has also been promoting sustainable practices in its supply chain, by working with suppliers to reduce their environmental impact and promote sustainable sourcing.

Overall, Dentsu Inc. is a company that is committed to sustainability and innovation. The company is working towards decarbonisation and promoting the use of renewable energy in its operations, and it is also promoting sustainability in other areas of its business. Dentsu Inc. is a leader in the advertising industry, and its commitment to sustainability is setting an example for other companies to follow.