Environment news

• US geoengineers to spray sun-reflecting chemicals from balloon
• Investors warn against delaying wind energy subsidy cut decision
• Anti-fracking activists found guilty of trespass
• Greenpeace activists shut down 74 UK Shell petrol stations
• Shark attacks prompt calls to review the great white’s protected status
•  Visits to the countryside will improve the UK’s health, say MPs

On the blogs

• When is a green tax not a green tax?
• How green are electric trains?
• Me and my shark fin: rapper comes to predator’s defence
• Caroline Spelman’s deep cuts to flood defences begin to look foolish
• Heroes are putting their lives on the line in the fight to save tuna

Multimedia

• The week in wildlife – in pictures
• Whale shark freed from fishing net in Indonesia – video
• The Birdman of Skomer: ‘Guillemots are basically people’ – video
• Greenpeace activists shut down Shell petrol station – video
• Geoengineering projects around the world – map

Features

• Swan upping cancelled because of flood conditions on Thames
• Skomer’s birdman returns to keep watch on guillemots
• Olympic athletes could be impaired by London pollution, experts warn
• Anti-pylon campaigners battle ‘industrialisation’ of rural Wales

Best of the web

• Polish ‘ghost’ coal plants ignite emissions trading outrage
• Yorkshire leads race for €1.5bn EU carbon capture funding
• Senegal begins planting the Great Green Wall against climate change
For more of the best environment comment and news from around the web, visit the Guardian Environment Network.

Green jobs

• Corporate Fundraising Team Leader at WaterAid
• Director of Communications at the Soil Association

… And finally

• ‘Apocalyptic’ summer for wildlife – except slugs, says National Trust
Conservationists fear local extinctions of insects, as wet conditions leave many species of plants and animals struggling