"An analysis of Greenland ice core samples indicates significant global methane emissions per capita during the Roman Empire and China's Han Dynasty — much greater than had been known."

"HOMER, Alaska -- Kris Holderied, who directs the National Oceanic and Atmospheric Administration's Kasitsna Bay Laboratory, says the ocean's increasing acidity is 'the reason fishermen stop me in the grocery store.'"

"BANGKOK -- Organised crime trade worth billions of dollars is responsible for 50 to 90 percent of illegal logging in parts of the Amazon basin, Central Africa and Southeast Asia, with implications for deforestation, climate change and the well-being of indigenous people, said a report released Thursday."

"Approval of foods from genetically modified animals is unjustifiably slow, scientists say; some are looking abroad."

"Swift action is required to save many of the world's fisheries that are declining faster than expected, a study in a leading scientific journal shows."

"Pregnant rats exposed to an industrial pollutant passed on a variety of diseases to their unexposed great-grandkids, according to a study published Wednesday."

"Energy companies should not drill for crude oil in Arctic waters because the environmental risks are too high, Total SA Chief Executive Officer Christophe de Margerie said in the Financial Times on Wednesday."

"The newspaper described de Margerie's comments as the first time a major oil company has publicly criticised offshore exploration in the Arctic.

The risk of an oil spill in such an environmentally sensitive area was simply too high, according to de Margerie."

"Global grain production is expected to hit record levels this year, despite the drought that gripped most of the Midwest, the Worldwatch Institute said in a report released yesterday."

"More than 100 million people will die and global economic growth will be cut by 3.2 percent of gross domestic product (GDP) by 2030 if the world fails to tackle climate change, a report commissioned by 20 governments said on Wednesday.

As global average temperatures rise due to greenhouse gas emissions, the effects on the planet, such as melting ice caps, extreme weather, drought and rising sea levels, will threaten populations and livelihoods, said the report conducted by humanitarian organization DARA.

"Global weather conditions are taking their toll on the artery-clogging guilty pleasure known as bacon. A world pork shortage is now 'unavoidable' says Britain’s National Pig Association (NPA)."