Chunghwa Telecom Co. Ltd. is a telecommunications company based in Taiwan that operates in the Wireline Phone Services sector. The company was founded in 1996 and has since become the largest telecommunications service provider in Taiwan, with a market share of over 35%. Chunghwa Telecom offers a wide range of services, including fixed-line, mobile, broadband, and enterprise solutions.

In recent years, Chunghwa Telecom has made a concerted effort to reduce its carbon footprint and promote decarbonisation. The company has set ambitious targets to reduce its greenhouse gas emissions and increase its use of renewable energy. Chunghwa Telecom has also implemented a number of initiatives to improve energy efficiency and reduce waste.

One of the key initiatives that Chunghwa Telecom has undertaken to reduce its carbon footprint is the implementation of a corporate energy strategy. The company has set a target to reduce its greenhouse gas emissions by 30% by 2025, compared to its 2015 baseline. To achieve this target, Chunghwa Telecom has implemented a number of measures to improve its energy efficiency, such as upgrading its network infrastructure and data centers to more energy-efficient technologies.

Chunghwa Telecom has also implemented a corporate power purchase agreement (PPA) to increase its use of renewable energy. The company has signed a PPA with a local wind farm to purchase 100% of the electricity generated by the wind farm. This has allowed Chunghwa Telecom to increase its use of renewable energy and reduce its reliance on fossil fuels.

In addition to its corporate PPA, Chunghwa Telecom has also invested in renewable energy projects. The company has installed solar panels on the roofs of its buildings to generate electricity for its operations. Chunghwa Telecom has also invested in a number of offshore wind projects in Taiwan, which will further increase its use of renewable energy.

Chunghwa Telecom has also implemented a number of initiatives to reduce waste and promote recycling. The company has implemented a paperless billing system to reduce paper waste, and has also implemented a recycling program for its electronic waste. Chunghwa Telecom has also implemented a program to reduce its water consumption, which has resulted in significant water savings.

Overall, Chunghwa Telecom is committed to promoting decarbonisation and reducing its environmental impact. The company has set ambitious targets to reduce its greenhouse gas emissions and increase its use of renewable energy. Chunghwa Telecom has implemented a number of initiatives to improve energy efficiency, reduce waste, and promote recycling. The company's commitment to sustainability has not only benefited the environment, but has also helped to improve its bottom line by reducing costs and increasing efficiency.