Amid the hottest summer on record for various regions across the globe, a team of researchers affiliated with the United Nations released a report calling on entrepreneurs and politicians to fund affordable ways for people to cool off without hurting the planet. This topic, known as “sustainable cooling,” has not garnered as much attention as other areas of the conversation around climate change, such as renewable energy, but scientists and environmental advocates maintain that it is vital for curbing the type of greenhouse gas emissions that result from inefficient air conditioners and refrigerators.