Cooler is a for-profit social venture that enables businesses and people to eliminate the global warming impact of their everyday purchases and activities. Our trusted API instantly calculates the carbon footprint of any transaction, and then eliminates the impact in a transparent, verifiable, and robust way. By connecting everyday shopping behavior to real reductions in pollution, we make it easy for businesses to answer consumer demand for action on climate change. The Cooler Calculator is the most comprehensive and accurate in the market; it’s based on peer-reviewed science developed in partnership with leading environmental organizations, and it covers more than 1,000 product categories.