The number of charging points for electric cars in London will be boosted under plans announced by Mayor Boris Johnson.
A water treatment process which could cut industrial water consumption by up to 90% has been unveiled.
The Irish government has taken steps to prepare the country for the day the EU Batteries Directive comes into force.
Ireland's Environmental Protection Agency has called for the integration of environmental concerns into economic and social policy.
Proposals revealed this week have outlined plans to make all homes in Ireland carbon neutral by 2013.
Proposals for Ireland's first community-operated windfarm have been rejected, it has emerged.
Energy company Bord na Mona has announced that it is to make a Euro 1.4bn investment in diversifying its business as well as working to reduce its environmental impact.
A huge mobilisation effort will be required to meet the government's targets for zero-carbon housing, it has been claimed.
Space agency NASA has created maps that could boost renewable energy supplies by pinpointing high wind areas in the Earth's oceans for turbine farms.
Carbon emissions from state schools will be included in local authority totals from April 2010 in a pioneering scheme aimed at boosting energy efficiency.
Businesses will have to pay to pollute under Australian government proposals for a carbon emissions trading scheme.
Consultation has opened on Scotland's first Marine Bill aimed at protecting the seas while allowing industries dependent on them to grow.
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