More than a third of private drinking water supplies and 8% of public water supplies in Ireland were contaminated with E.coli during 2006-07.
NASA has charted a worrying trend in Antarctic ice levels, showing it is disappearing at an ever increasing rate that now rivals the loss of the Greenland ice sheet.
Researchers investigating agricultural pollution in the American Midwest have said that the volume of chemicals in the Mississippi is equivalent to another large river.
The Irish Business and Employers Confederation (IBEC) has warned that Ireland faces a massive challenge in trying to achieve EU climate change targets, and that the ability to purchase overseas allowances could be crucial.
The European Commission has announced a package of measures to reduce greenhouse gases by at least 20% and increase renewable energy use by 20% by 2020.
Two towns in County Donegal could soon have state-of-the-art art wastewater treatment plants, after local council chiefs approved preliminary plans for the projects.
Calls for a debate about nuclear power in Ireland have been supported by the country's Minister for Communications, Energy and Natural Resources, Eamon Ryan.
The latest figures show that levels of harmful toxins in the Irish environment dropped off in 2006.
Westminster City Council and the publishers of two of London's free newspapers are to share the costs of recycling the waste produced from their distribution.
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