Thames Water and 2OC in deal worth £200m over 20 years to turn 'fatbergs' clogging capital's sewers into energy for sewage works and homes

Customers in Northern Ireland will be charged for each single use carrier bag they take home

Just a decade ago, the wildest creatures in the Forest of Dean were deer, sheep, foxes and badgers.

Country faces more frequent and more severe weather events if it fails to make deep and swift cuts to carbon emissions

LDC group's move can quicken pace of UN climate change talks, but richer countries will need to make firm commitments

Government-backed campaign aims to double Caribbean country's forest cover by 2016

Research finds acceptance of need to plan for climate change but an unwillingness to pay for it with projects like sea walls

• Huge jump in coal use in power stations prompts rise
• Scotland renewables production hits record levels

House sparrow and starling numbers dropping at alarming rate, but prolonged winter brings new species to backyards

Parking charges exemption and removing yellow and red line restrictions will improve take-up, thinktank says