Cloud computing provides the opportunity to migrate virtual machines to “follow-the-green” data centres. That is, to migrate virtual machines between green data centres on the basis of clean energy availability, to mitigate the environmental impact of carbon footprint emissions and energy consumption. The virtual machine migration problem can be modelled to maximize the utility of computing res...

Our planet has reached extreme weather conditions. Recently , a tornado in the US killed 519 people. Floods in Asia and Australia killed 2,000 and left large swaths of each country under water. Korea had its heaviest snowfall in recorded history. My heart goes out to all the families of the victims of the recent serious disasters. These events have been shaped by global warming. Scientists have...