…By examining the chemical composition of their (#SeaSponges’) skeletons, which the creatures built up steadily over centuries, the researchers have pieced together a new history of those earliest decades of #warming. And it points to a startling conclusion: #Humans have raised #GlobalTemperatures by a total of about 1.7°C, or 3.1°F, not 1.2°C, the most commonly used value.
Global temperatures hit a key threshold this June. Scientists say it's a sign of things to come
Temporary breach of 1.5 degree threshold is a climate hazard warning: scientists
...since starting @ClimateMigration yesterday, the vast majority of Followers are from outside the US. Understand this is not a fun subject, but the disparity in attention to this topic is pretty striking.