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This paper provides information on the progress in climate change in VietNam and gives an overview of key concepts, indicators of climate change, the treatment of uncertainties and advances in measurement and modelling capabilities. This includes a description of the future scenarios and in particular the National Concentration Pathway used across for the Future Assessment Report.
These and other findings confirm and enhance our scientific understanding of the climate system and the role of greenhouse gas emissions; as such, the report demands the urgent attention of both policymakers and the general public. As Assessment Report contains vital scientific knowledge that can be used to produce climate information and services for assisting society to act to address the challenges of climate change. The timing is particularly significant, as this information provides a new impetus, through clear and indisputable physical science, to those negotiators responsible for concluding a new agreement under the United Nations Framework Convention on Climate Change in the coming time. 
Climate change is a long-term challenge, but one that requires urgent action given the pace and the scale by which greenhouse gases are accumulating in the atmosphere and the risks of a more than 2 degree Celsius temperature rise. Today we need to focus on the fundamentals and on the actions otherwise the risks we run will get higher with every year.

Phan Hong Dung