At this point most scientists and even a majority of business people and politicians admit that climate is changing rapidly. Yet when on a recent show of Democracy Now one of Trumps representatives to the climate conference was asked about belief in climate science he replied that he believed but it is not economical to do anything about it.
Now I read story in Scientific American today that all the glaciers are melting at a rate beyond which even the most pessimistic climate scientists predicted recently. Greenland is melting in an interesting beautiful yet horrifying way. Surface run off forms into rivers and melts and widens cracks in the ice. This lubricates between and under the ice helping to cause it to slip and move. When certain hard land features are overcome, glacial melt glacial flow is no longer slow (or as we used to say glacial). It happens quickly.
This is starting to happen in Antarctica as well. If all the ice were to melt in Antarctica it would raise see level 200 feet. Now if happens over the next hundred years the quibbling about the costs of changing our ways will seem so petty and ridiculous as we actually struggle to survive on a climatically destabilized and ravaged earth.