SustainaStocks uses several methods to obtain, analyze and present data in a way that allows investors to make thoughtful and purposeful decisions. The core of SustainaStocks is an overall ranked list of sustainable companies that are publicly traded in the United States. This list is an ongoing aggregate of publicly available lists and articles from esteemed researchers such as Barrons, Time, Corporate Knights, and more. Our ranking uses Reciprocal Rank Fusion to merge and aggregate lists from multiple sources to produce an unbiased, well balanced collection of companies. The overall ranking is an ongoing process as new sources are published and merged. SustainStocks then uses daily updated stock ticker information to show how the top rated sustainable companies are performing in the market.