Leaders of the world's most powerful economies have pledged to reduce global greenhouse gas emissions by at least 50% by 2050.
Rising prices at the petrol pumps are driving commuters out of cars and onto public transport - and bus and train providers should take advantage of the opportunity.
Conservationists have praised the decision to move a number of venues for the 2014 winter Olympics in Russia to avoid damaging a protected site.
Ireland, Northern Ireland and Scotland could join forces in a renewable energy venture to provide electricity for all three countries, it has been reported.
Northern Ireland launched its Environment Agency (NIEA) last week, with a view to creating a partnership with Northern Irish businesses.
Environment charges and energy costs are among the major concerns highlighted by Irish businesses in a new survey.
Ireland's first National Green Awards were launched last week, which may serve to promote environmental action throughout the country.
John Gormley, the minister for the environment, heritage and local government, met with Cork residents to discuss the ex-steelworks site at Haulbowline and the waste deposited there earlier this week.
The Canadian province of Ontario has introduced regulations which will force landfill operators to capture methane leaking from their tips.
Plans have been announced to develop a biodiversity park in Waterford.
Irish farmers who are concerned about the rising cost of tractor fuel have been offered hints on how to save money and help the environment by manufacturers, according to the Irish Independent.
More than 10,000 Chinese soldiers and civilians have been sent in to clear up a giant algal bloom threatening this summer's Olympic sailing events.
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