The spring rainy season had already brought death and destruction to northern Afghanistan.

Stephen Hawking explains why he believes Artificial-intelligence could be the worst thing the human race does to itself - and the last thing it does too.

Governments must switch from fossil fuels to nuclear, wind and solar energy to avoid a global warming catastrophe in a move costing about 300 billion ($578 billion) a year.

Twenty years ago this month, I arrived in Rwanda just days after about 800,000 people were slaughtered in a genocide.

A disease damaging banana crops in Southeast Asia has spread to the Middle East and Africa, posing risks to world supply and trade totalling $8.9b.

Businesses across Syria have been devastated by the destruction inflicted by the three-year civil war, and the economy could take 30 years to recover to its pre-conflict level, a United Nations survey warns.

Are we doing enough? As another report lays out the benefits of a green economy science reporter Jamie Morton looks at what we're doing to achieve it.

Former prime minister Helen Clark, whose Labour government froze relations with Israel in 2004, now hopes to strengthen United Nations-Israel ties.

The European Union has imposed its first sanctions against Ukraine, joining the United States in a two-pronged campaign of public pressure and backroom diplomacy.

New Zealand has agreed to take 100 refugees from Syria after the United Nations called on the international community for help.

Kiwis, regardless of political leanings, can applaud the fact that Helen Clark has been touted internationally as the next Secretary-General of the UN.

John Key says the Govt would throw its weight behind any bid by Helen Clark for the top job at the UN in 2016, but said it would be a tough ask for her to secure the post.

Former Prime Minister Helen Clark has been tipped as a possible candidate for the United Nations' top job, the UK's Guardian reports.

A young New Zealander is about to get a taste of her dream of working for the United Nations in a whirlwind multi-nation experience.

Iran has struck a historic nuclear deal with the US and five other world powers, after more than three decades of estrangement,

An old rift between rich and poor has reopened in UN climate talks as developing countries look for ways to make developed countries accept responsibility for global warming - and pay for it.

An al-Qaeda-affiliated extremist group has claimed responsibility for twin suicide attacks on the Iranian Embassy in Beirut.

UN Secretary-General Ban Ki-moon has urged governments to put forth more ambitious plans to cut carbon emissions, saying "current pledges are simply inadequate".

In the last of a three-part series, Young New Zealander of the Year and CEO of the Sustainable Coastlines Charitable Trust ,Sam Judd, discusses the United Nations Environment Programs’ Global Partnership on Marine Litter.

Every day, millions of tons of inadequately treated sewage, industrial and agricultural waste enters the world's waterways, writes Sam Judd.