So I'd point out those were NATURAL climate changes.  BUT the argument these days is the idea of man-made climate change vs those who point out natural climate change.  And the media has joined the argument on the side of man-made.

However, there's plenty of science supporting the natural climate side, as discussed here for several years.  Also there's plenty of studies, reports, books etc. revealing exaggerations and errors being used by the politicians & media to push CONTROL over the people, under the guise of saving society. 

Palm tree fossils found in the northern regions from eons ago are  huge tangible examples of natural warming.  In those early eons there were no coal burning power plants, nor petroleum powered vehicles, nor natural gas fired furnaces, nor stoves in those times.    Meanwhile, rising CO2 is greening the earth, and even desert areas are beginning to support new plant life .  Both are NATURAL examples of climate effects.

- Image Title: CO2 is greening dry regions Uploaded: 
Image Info: Scientific studies show that rising CO2 is boosting green foliage across the world's arid desert regions. The fertilization from CO2 showed an 11 per cent increase in foliage across the dry areas studied in Australia, North America, the Middle East and Africa, from 1982-2010.  The science findings were published in 2013 by CSIRO, an Australian scientific organization.    Click Here.   Dr Donohue, the research leader said: "higher CO2 boosting the foliage in dry country is good news and could assist forestry and agriculture in such areas"  And further studies are anticipated. 

Image Title: Alaska Palm Tree Fossil 
Iage Info: Fossil of palm tree discovered in Alaska gives evidence of much warmer Earth temps eons ago


Regarding rising sea levels, there's been a number of exaggerations over the years by climate activists.   So lets not be joining those alarmists.  The Dutch have been coping with higher sea levels for several centuries,-- much more significant than our local situation.

Or maybe we return to an ice age