Proposed change to lede   The current lede states that  Thermal expansion which is wellquantified is currently the primary contributor to sea level rise and is expected to be the primary contributor over the course of the next century  However while thermal expansion is expected to contribute more than half the increase in the coming century it isnt the primary contributor currently  From AR page  Thermal expansion is projected to contribute more than half of the average rise but During recent years  for which the observing system is much better thermal expansion and melting of land ice each account for about half of the observed sea level rise  I propose the following replacement sentence At the end of the th century thermal expansion and melting of land ice contributed roughly equally to sea level rise while thermal expansion is expected to contribute more than half the rise in the upcoming century  I also intent to remove the subsequent sentence Glacial contributions to sealevel rise are less important and are more difficult to predict and quantify as it is no longer needed   Current footnote  doesnt support the claim or at least I couldnt find it as it is the AR chapter on Climate models not the chapter on Sea Level I will add the reference to the Sea Level chapter  Any objections