An early version of Google’s experimental electric-powered self-driving car.

Humans might be the one problem Google cannot solve. For the past four years, Google has been working on self-driving cars with a mechanism to retu(...)

Concentrations of carbon dioxide in the atmosphere are now “higher than any time in the history of our species”, a science event in UCD has been told. Photograph:  Andreas Rentz/Getty Images.

Concentrations of carbon dioxide in the atmosphere are now “higher than any time in the history of our species”, a science event in UCD has been told.(...)

Carbon dioxide emissions globally have risen from 22.7 billion tonnes in 1990 to 33.9 billion in 2011

My granddaughter Grace celebrated her fourth birthday last week and the next day the fifth assessment report by scientists of the Intergovernmental Pa(...)

Professor Jeffrey Sachs, one of the authors of the World Happiness Report.Photograph: Bryan O’Brien/The Irish Times

The recession has barely affected Irish people’s sense of well-being, an international survey has suggested. The World Happiness Report ranks Ireland (...)

Melting ice: Dublin Climate Gathering looked for ways to become a low-carbon society. Photograph: Reuters

There were very few facts and figures about the speed of the Arctic ice cap melting, freak flooding, hurricanes and extreme heat waves at this week’s (...)