McKesson Corp. is a leading healthcare company in the United States of America, operating in the Pharma & Specialty Distribution sector. With a history of over 180 years, the company has been committed to providing innovative solutions to the healthcare industry, improving patient outcomes, and reducing costs. As a responsible corporate citizen, McKesson has also been focused on reducing its carbon footprint and promoting sustainability through various initiatives.

Decarbonisation has been a key focus area for McKesson, which has set ambitious targets to reduce its greenhouse gas emissions. The company has committed to reducing its Scope 1 and Scope 2 emissions by 50% by 2030, compared to the 2018 baseline. This target is in line with the Paris Agreement's goal of limiting global warming to below 2 degrees Celsius. To achieve this target, McKesson has been investing in energy-efficient technologies, renewable energy, and other decarbonisation measures.

Corporate energy management has been a critical aspect of McKesson's decarbonisation strategy. The company has implemented various energy-saving measures across its operations, such as LED lighting, HVAC upgrades, and energy-efficient equipment. These measures have helped the company reduce its energy consumption and carbon emissions. In addition, McKesson has also been exploring innovative solutions to further reduce its energy consumption, such as energy storage and demand response programs.

Corporate power purchase agreements (PPAs) have been another key strategy for McKesson to promote renewable energy and decarbonisation. The company has signed several long-term PPAs for renewable energy, which have helped it reduce its carbon footprint and support the development of new renewable energy projects. For instance, in 2020, McKesson signed a 10-year PPA for 90 MW of solar energy from a new solar project in Texas. This PPA is expected to reduce the company's Scope 2 emissions by over 50%.

Renewable energy has been a significant focus area for McKesson, which has been committed to sourcing renewable energy for its operations. The company has set a target to source 50% of its electricity from renewable sources by 2025, and it has already made significant progress towards this goal. In addition to PPAs, McKesson has also been exploring other options to source renewable energy, such as onsite solar installations, virtual PPAs, and renewable energy credits.

McKesson's commitment to decarbonisation and sustainability has been recognized by various stakeholders. The company has been included in several sustainability indices, such as the Dow Jones Sustainability Index and the FTSE4Good Index. In addition, McKesson has been recognized for its leadership in renewable energy and decarbonisation by various organizations, such as the Renewable Energy Buyers Alliance and the Carbon Disclosure Project.

In conclusion, McKesson Corp. is a leading healthcare company in the United States of America, operating in the Pharma & Specialty Distribution sector. The company has been committed to reducing its carbon footprint and promoting sustainability through various initiatives, such as decarbonisation, corporate energy management, corporate PPAs, and renewable energy. McKesson's commitment to sustainability has been recognized by various stakeholders, and the company is well-positioned to continue leading the way towards a more sustainable future.