Environment news
• The anti-fracking activist barred from 312.5 sq miles of Pennsylvania
• Army assesses task on flood-hit Somerset Levels
• European bat population rises after years of decline, study finds
• Penguins suffering from climate change, scientists say
• Monarch butterfly decline leads to warning over famed migration
• Pesticides halve bees' pollen gathering ability, research shows
• Private funding adds just 2% for flood defences in England
• True greens should embrace fracking, says minister
On the blogs
• IPCC hearing brings UK closer to US polarisation on climate change
• Global warming continues and won't be stopped by wishful thinking
• Pulling ad for showing cyclist without a helmet is daft
• Gas firm to move deeper into reserve for indigenous people in Peru
• Will the environment suffer from Cameron's green regulation cuts?
Multimedia
• Floods on the Somerset Levels - in pictures
• Argyll: a journey through a Scottish forest – video
• Columbus crab crosses the Atlantic – big picture
• Fracking activist Vera Scroggins: 'I'm usually nice, but if they tell me I can't do something, I have to get stern' – video
• Green shoots - your winter photographs
Features and comment
• Robbie Gillett: Drax coal case shows police cannot be trusted to investigate themselves
• Norway has fallen in love with electric cars – but the affair is coming to an end
• UK homes kept 4C warmer than in 1970, report shows
• Poachers slaughter rhino in Nairobi national park
Observer Ethical Awards
If you know someone who is making a difference, please nominate them today. There are 10 categories in this year's awards, including the great energy race to recognise an undiscovered energy-saving genius.
...And finally
• Bring back beavers to control flooding, environment secretary told
UK's Mammal Society urges Owen Paterson to reintroduce 'master river engineers' to naturally dam rivers
