Mirjam Donath

(Reuters) - More than half of the world's seven billion people live in urban areas, with the top "mega cities" - with more than 10 million inhabitants - being Tokyo, Delhi, Shanghai, Mexico City and Sao Paulo, according to a United Nations report on Thursday.

Sam Mintz

LONDON (Thomson Reuters Foundation) – Hunger could be eliminated by 2025 if enough resources are committed and countries scale up policies proven to work, an international food policy organisation suggests in a new report.

Justin Gillis

Early in his career, a scientist named Mario J. Molina was pulled into seemingly obscure research about strange chemicals being spewed into the atmosphere. Within a year, he had helped discover a global environmental emergency, work that would ultimately win a Nobel Prize.

John Vidal

Air pollution has become the world's single biggest environmental health risk, linked to around 7 million – or nearly one in eight deaths in 2012 –

MoneyMorning.com.au

The most disruptive technological force on the planet is happening quietly and relatively unseen by most of us.

When you plug your cellphone charger into a wall socket, you are probably connecting to one of about 500 coal-fired power plants in the United States.

Michael Renner

The approved budget for United Nations peacekeeping operations from July 2013 to June 2014 runs to $7.83 billion—$390 million higher than in the previous year.1 (See Figure 1.) This is the third-highest budget since the record $8.26 billion spent in 2009–10.2 Despite some relatively minor fluctua

Matt McGrath

A long-awaited UN report on how to curb climate change says the world must rapidly move away from carbon-intensive fuels.

There must be a "massive shift" to renewable energy, says the study released in Berlin.

Michael Renner

According to preliminary estimates by the Food and Agriculture Organization of the United Nations (FAO), total global fish production was expected to reach an all-time high of 160 million tons in 2013, up from 157.9 million tons in 2012. This figure includes a projected wild capture of 90 million

Sarah Boseley

Antiotics are losing their power to fight infections in every country in the world, according to new data from the World Health Organisation – a situation that could have "devastating" consequences for public health.

LENNY BERNSTEIN

You were going to say humans, right? All those guns, bombs, chemicals and G0d-knows-what-else we use to kill each other.