US Environmental Protection Agency's bid to curb emissions from power plants / Inventor in Kenya wants everyone to become farmers / My web picks / UNESCO and Leonardo DiCaprio warn Australia over Great Barrier Reef (Photo: Penelope Clay)

What does the ban on Japan's Antarctic whaling mean? / Selling sewage to help boost sanitation in Kenya / My web picks / Deal to start mining the sea bed in Papua New Guinea / Reviews of the US documentary series Years of Living Dangerously   (Photo: Penelope Clay)

Two new schemes to monitor rainfall and deforestation from Space / My web picks / Apple CEO Tim Cook tells climate skeptic think tank where to stick their money / A community's love for one tree (Photo: Penelope Clay)

Typhoon Haiyan fails to whip up a frenzy of action in Warsaw / My web picks / Could the Arctic 30 arrests have a chilling effect on direct action? / Marine reserves in the Antarctic stymied / Is this the most anti-environment ad ever?   (Photo: Penelope Clay)

World's 'largest illegal dolphin slaughter' / Battle for control of airline emissions / My top environmental web picks / Banning damaging PIB dumping at sea / Australian bushfires: No climate change link, says PM / Trees that point to gold  (Photo: Penelope Clay)

Reaction around the world to the IPCC's fifth climate report / This week's web picks / Latest on 30 Greenpeace activists detained in Russia / Using goats at green mowers / The great gig in the sky (actually on a wind turbine)   (Photo: Penelope Clay)

The Divest Fossil Fuel movement sweeping the US / My top web picks / Singapore haze / Britain's energy quagmire / A farmer's response to fly feed  (Photo: Penelope Clay)

Astronaut Chris Hadfield returns to Earth a celebrity / Timetable agreed for ending EU fish discards / Eat insects, says UN / Top picks in environmental news / Peugeot pioneers air-powered car / Report: 97% of scientists agree on man-made global warming / Baboons reveal clues about our vocal ancestors  (Photo: Penelope Clay)

Can pumping wastewater from the oil industry underground cause earthquakes? / The ExxonMobil pipeline spill in Arkansas / Combatting ash dieback by planting more trees / Stricter sulphur limits for car fuels in the US / Are MSC-labelled fish being mislabelled? (Answer: No) / Will Pope Francis be the greenest pontiff yet? / Breeding frogs in captivity to save a species   (Photo: Penelope Clay)

Efforts to stop the deepening crisis over ivory poaching / Fish fraud: A third of US products mislabelled / More than 7,500 dead pigs found in Chinese river / Keystone XL passes environmental impact report / Mars Rover finds evidence that life could have existed / 2012 saw second steepest CO2 rise since records began / President Obama appoints environment champions / Should weather forecasters talk about climate change? / Grand Prix to go electric   (Photo: Penelope Clay)