The grim warning of Vanuatu President Baldwin Lonsdale in the aftermath of the devastating cyclone which hit the Pacific island last week. John Sparks reports.
The past month has seen stunning images of our planet captured from space by Nasa. I've picked some of the best ones, with a little explanation of what they show.
The battery powering the missing Malaysia Airlines jet's flight data recorder's underwater locator beacon expired in December 2012, investigators say.
The Malaysian authorities say a new strategy will be needed if no trace of the missing airliner is found in the southern Indian Ocean by the end of May.
There is no trace of Malaysia Airlines flight MH370, which disappeared on 8 March 2014, nor of the 239 people on board. It remains one of the great aviation mysteries. Will it ever be solved?
On 8 March it is one year since Malaysia Airlines flight MH370 went missing. How did the mystery of disappearance unfold? Scroll through the Channel 4 News interactive map to find out.
A Channel 4 News investigation raises questions about whether the Qatar-based network did enough to protect its staff in Egypt.
Homes are damaged and power lines are downed as a powerful cyclone smashed into northeastern Australia, packing winds of up to 285 kilometres (180 miles) an hour.
During the next 6-12 hours, two severe tropical cyclones, Lam and Marcia, are going to make landfall in northern Australia.