Moment Nasa scientist Margaret Hamilton receives presidential medal of honour

It is equivalent to a sewage discharge happening every five minutes, according to campaigners.

The director, Michael Brennan, oversees 45 federal workers, including hurricane specialists and meteorologists.

They thought it might explain why their health had diverged. Instead, it stirred up feelings that weren’t so easily quantified.

The total footprint of buildings along flood-prone riverbanks in the Himalayas grew by half in recent years, a study found.

More water usage restrictions may be introduced as Wimbleball reservoir drops to just 18% full.

It is the first time a tree in Northern Ireland has won the national title since it was launched in 2014.