That link explains why the glaciers retreated approx 10kya. It doesn't explain glacial retreat over the past half century. If anything the chart seems to show t

That link explains why the glaciers retreated approx 10kya. It doesn't explain glacial retreat over the past half century. If anything the chart seems to show that past trends would have us on the cusp of exiting the current interglacial period, i.e. we should be seeing glacial advances.