A devastating dose of long-term climate change combined with a strong El Niño in 2015left every major climate record on the books shattered, according to an annual international State of the Climate report, led by the National Oceanic and Atmospheric Administration which described as Earth’s “annual physical.” It “shows not only that the temperature of the planet is increasing, but all the related symptoms that you might expect to see with a rising temperature are also current,” In 2015, greenhouse gas concentrations, global surface temperatures, sea surface temperature, global upper ocean heat content and global sea levels all toppled previous record highs.AHe added that the “slew of record warm years over the past two decades” can only be explained when taking into account human-caused global warming."