A river has been given the all-clear by environmental investigators after a tanker carrying 30,000 litres of alcohol was involved in a collision nearby.
Drivers in Beijing have been banned from the roads for one day each week in a trial scheme that will last for the next six months.
It can grow more than a metre a month, can force its way through tarmac and concrete, and is costing the UK millions, but scientists believe they have found a natural way to tackle Japanese knotweed.
Private waste management firms could be forced to bid for contracts to collect waste instead of having the freedom to "cherry pick" routes.
Electrical vehicles have been hailed as "the way of the future" by Electricity Supply Board's (ESB) director of sustainable energy.
A Welsh seat of learning will be showing off a variety of technologies demonstrating the viability of hydrogen as a fuel, and focus research in this area.
The different bodies that manage water in the UK must work together better to cope with increasing risk of flood and drought - and Defra should take the lead in bringing them together.
Small businesses feeling the pinch during the credit crunch are being offered interest-free loans of up to £200,000 to improve their energy efficiency.
Businesses in Dublin are now to be responsible for the area outside of their front doors.
From next year traditional light bulbs are to be phased out of shops in Ireland, the Minister for the Environment has said.
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