Mr Atwood told Good Morning Ulster that the investigation would look at issues including fraud and procurement to determine whether there were "any further causes for concern".

BBC: Attwood expects Red Sky report in 3 weeks

As far as current global observations are concerned, Hansen cites both the decline of Arctic sea ice and the worldwide retreat of mountain glaciers as causes for major concern.

CNN: Carbon dioxide levels already a danger

Stagnation in aid commitments, which have left a funding gap of seven billion dollars annually, and a cut in the share of national income to education in some countries, are causes for serious concern and must be reversed, said the representatives from 39 governments including several major donor countries, intergovernmental organizations and civil society.

UNESCO: Education

Mr Bett said he had consulted councils and voluntary groups and had identified causes for "grave concern".

BBC: PCC Stephen Bett fears welfare changes will cause crime

How ironic that the passing of one of the oldest and longest serving senators has left me, a 25-year-old woman, frantically searching for a fierce, dedicated ally for causes that concern young Americans.

CNN: Commentary: Ted Kennedy's causes resonate with youth

The Amicus trade union says the announcement "causes enormous concern" and blames the government for the drop in orders.

BBC: 450 jobs go at BAE Systems

"It is the outside attacks that create the basis for the law, but then that raises the abortion concern and causes the right-to-life versus the pro-life fight, " he said.

BBC: Do pregnant women have different rights?