Brewing firm Adnams is claiming a UK first as it nears completion of building work on its anaerobic digestion plant.
Ireland has launched a consultation on how to deal with waste over the next decade and beyond.
The London Olympics in 2012 are set to fall short of a target to source at least 20% of energy from new local renewable schemes.
A water plant in the Netherlands has introduced technology it claims will save millions of litres every year.
Environmental groups have called for the suspension of offshore drilling in the Arctic in the aftermath of the BP Gulf of Mexico oil disaster.
Northern Ireland lags behind other parts of the UK with households recycling less than 30% of waste.
A research programme to map how the UK uses imported palm oil could halt the loss of rainforest thousands of miles away, according to the Government.
A judge has ordered five firms to pay a total of £9.5 million in fines and costs for their part in the 2005 Buncefield oil depot blast.
Norway has topped a global list of countries working towards zero carbon buildings for the second year in a row.
A plane designed to have emissions 20% lower than current models was unveiled at the weekend.
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