The deadline for abstract submission for the 2013 IGS sponsored ‘International Symposium on Changes in Glaciers and Ice Sheets: observations, modelling and environmental interactions' is 1 April. The symposium will be held 28 July–2 August 2013, in the Beijing Conference Center, Beijing, China.
The second circular is posted on the IGS website http://www.igsoc.org/symposia/2013/beijing/Beijing2ndcircular_web.pdf where you will find all the relevant information regarding the symposium.
I also encourage you to investigate your visa requirements. A detailed description of what is required can be found on the Local Organizing Committee's website http://iscgis.csp.escience.cn/dct/page/70014. Please note in particular what is required if you are planning to visit Tibet