Over 90 percent of climate-change heat ends up in the ocean, so it's literally taking the heat for us. Sea surface temperature has increased by just over one degree Fahrenheit across the globe on average, which might not seem a lot, right? Well, here's how such a small number causes enormous, devastating change on our planet. https://on.natgeo.com/42yuT4T | National Geographic

Climate change may be helping rat populations soar. Halley Brown examines how the faster a city warms, the larger their increase in rats—and considering these rodents cost the U.S. an estimated $27 billion in damage each year, that's cause for concern: https://on.natgeo.com/4mCf7hv | National Geographic