The EU and the African, Caribbean and Pacific Group of States (ACP) made the call at a UN climate change conference taking place in Bonn.
Russia announced it will begin supplying electricity to separatist-controlled areas after the Ukrainian government cut off their electricity.
Scattered groans and hisses were heard as the 'First Daughter' described her father as "a tremendous champion of supporting families."
In a shock announcement, Prime Minister Theresa May called for an early general election to seek a strong mandate as she negotiates Britain's exit from the European Union.
In December, the Defense Science Board, submitted a report advising the Pentagon to invest in low-yield nuclear weapons that could provide “a rapid, tailored nuclear option for limited use.”