89 An example of how supporting additionality is reflected in our building operations is our effort to meet 100% of our electricity consumption with renewable energy sources . In 2017, we achieved our goal of meeting 100% of Wells Fargo’s global electricity needs with renewable energy, ¹ primarily through the purchase of Green-e® certified renewable energy certificates (RECs) . These purchases were an important first step in our renewable energy strategy . The second step in our renewable energy strategy has been to leverage our purchasing strength to encourage the development of new sources of green power through long-term agreements with renewable energy providers that build the renewable energy infrastructure needed to meet their contracts with Wells Fargo, thereby adding to the overall supply of renewable energy available in the electric grid . Wells Fargo purchased carbon offsets to achieve carbon neutrality for Scope 1 and Scope 2 emissions for 2019 and 2020 operations . Carbon neutrality, or having a net zero carbon footprint for Scope 1 and 2 GHG emissions is achieved first through continued improvement in operations to shrink our GHG emissions, and then through the purchase of carbon offsets . In addition to carbon neutrality for our operations, we also strive to utilize our carbon offset purchases to support projects that wouldn’t be viable without the financial support generated through the sale of carbon offsets and which create multiple co-benefits, beyond environmental benefits, for the local community . Risk management In the environmental sustainability arena, some areas of risk management may be readily apparent, such as environmental risk and compliance — but Wells Fargo also considers the long-term impact of our decisions on the health and well-being of stakeholders . For example, Wells Fargo works with vendors and outside experts to help optimize indoor air quality in our spaces . Indoor air quality has been a key priority for new, retrofitted, and existing spaces, and we take steps to proactively test indoor air quality, which allows us to act on learnings to improve indoor air quality . Likewise, our efforts to provide greater access to daylight, clean water, a connection with nature, and opportunities for greater physical activity play a role in safeguarding the mental and physical health of our customers and employees . WE APPROACH BUILDING OPERATIONS THROUGH THE PRINCIPLES OF Leadership, learning, and continuous improvement Additionality Risk management 1 . Renewable energy sources include on-site solar, long-term contracts that support net new sources of off-site renewable energy, and the purchase of renewable energy certificates .