An unintended negative consequence of the decision to sell arms to Iran was its impact on the U.S. economy.
The University of Dayton, in the US state of Ohio, for instance, divested its $600m endowment last summer when the university's president said: We cannot ignore the negative consequences of climate change, which disproportionately impact the world's most vulnerable people.
Alison Garnham, the outgoing chief executive of the Daycare Trust, a childcare campaign group, believes that the jury is still out, and that the evidence is still patchy, pointing out that research highlighting the negative consequences of group care is not accompanied by parallel research looking at the impact of childminders and nannies.
Although each force category has exerted strongly positive impacts, the negative consequences of their changes have also been felt.
The negative consequences of civil war are not limited to the countries that experience them: neighbouring countries also suffer negative economic impacts and may be more prone to violence themselves.
Potassium can offset some of the negative consequences of sodium.
In order to give sanctions time to have their desired impact, Obama's military advisers warn constantly about the negative consequences of an Israeli military strike.
However, even those countries that are less directly impacted are concerned about their coastal cities and the negative consequences of increased droughts, floods and heat waves.
The current calculus, which is set at $36 per ton of carbon dioxide, aims to capture the negative consequences of allowing greenhouse gas emissions to continue to rise and is applied to any regulations that have a climate impact.
The negative consequences of faith schools "know no bounds".
The negative consequences of an unproductive engagement are far-reaching.
