US president Barack Obama points to Bear Glacier during a boat tour of the Kenai Fjords National Park in Alaska. He used the trip to press home the message that changes unfolding in the Arctic pose an urgent threat to local populations and the rest of the world. Photograph: Mandel Ngan/AFP/Getty Images

Last April, two experienced polar researchers set off from the remote Canadian outpost of Resolute Bay, planning to ski 400km across the high Arctic. (...)

Mark Zuckerberg, chief executive officer of Facebook, announced the satellite was under construction and would be ready for launch into space in 2016. Photograph: David Paul Morris/Bloomberg

Facebook is planning to launch a satellite to provide internet access to remote parts of Africa, the social network’s founder has said. Mark Zu(...)

Billionaire Li Ka-shing: his focus is moving towards developed markets such as Europe. Photograph: Lam Yik Fei/Bloomberg

The investor known as “Superman”, Asia’s richest man Li Ka-shing, normally lets adverse comment wash over him, but last week the 87-year-old Hong Kong(...)

Thinking anew: the Ven Gordon Linney. Photograph: Aidan Crawley

The Ven Gordon Linney is a compassionate man of clearly thought out Christian conviction who is never afraid of entering the fray in defence of that c(...)

High hopes: millennials with an engineering degree may think they will be on a major project straight away. Photograph: Thinkstock

They are the last of the “millennials”, the generation born between the late 1970s and mid-1990s. They emerge from college with expectation, ho(...)

Terry McCarthy’s 27-year career  began on the front lines in Nicaragua and El Salvador.

In the mid-1980s, when Terry McCarthy graduated from UCD and started out at the Irish Press, Ireland’s unemployment rate was in double digits and a pe(...)

‘Moving home to Ireland felt like going back to basics. We had to set everything up from scratch again.’

Our family had a great lifestyle in Singapore, but we always knew we would move home. So last year we did, after 12 years in Asia. I will always lo(...)

Dave Murphy, PM Group chief executive

PM Group, the Dublin headquartered group that provides construction, engineering and project management services, said full-year pretax profits fell b(...)

Fergus Clarke of Lamplight Analytics: “We created a platform that aggregates what people are saying across millions of social media websites in nearly 200 languages and technology that draws meaning from these posts.”

Hong Kong tech start-up Lamplight Analytics, which provides brand information through social media and was cofounded by Dubliner Fergus Clarke, has re(...)

A man looks at the Pudong financial district of Shanghai: China’s economy has registered its slowest growth in a quarter century. Photograph: REUTERS/Carlos Barria/Files

The Asian Development Bank has just cut its forecasts for economic growth in the region on the back of slower expansion in China and India, but the le(...)