It’s getting hot out here. Month by month, 2016 has been the hottest year in recent world history, according to figures from NASA and the National Oceanic and Atmospheric Administration that go back to 1880. According to new independent analyses by the two US government organizations, this past July was either the tenth or fifteenth month in a row to set a heat record. Watch the video above to get a quick breakdown of how humans are causing climate change, and how it’s already starting to have clear real-world effects.