Report: 2015 was Earth’s warmest year on record

This image, courtesy of NOAA Climate.gov, shows differences in surface temperatures over time.
Rising sea levels, changes in marine habitat, decreasing Arctic sea ice and retreating mountain glaciers over the last 50 years all signal that the planet has long surpassed a tipping point in a changing global climate.
According to a new report on the status of the Earth’s climate, one of the strongest El Niño events in recent history and long-term climate change were responsible for