"Images of a scientific observation buoy floating in what appeared to be an Arctic lake near the North Pole lit up the online world in the past week, sparking questions about whether this was a sign of global warming."

"TOKYO — Foreign nuclear experts harshly criticized the operator of the devastated nuclear power plant at Fukushima on Friday for its delay in disclosing that highly contaminated groundwater has been leaking from the site into the ocean."

"Honey bees are being fitted with tiny radar antennae to find how disease and pesticides are effecting the insects as they hunt for food."

"BRUSSELS — The European Union’s trade chief said on Saturday that a deal had been reached with China to settle a dispute over exports of low-cost solar panels that had threatened to set off a wider trade war between two of the world’s largest economies."

"NEW YORK -- The vast highlands and open spaces of China, Tibet and Mongolia – once roamed by snow leopards, wild camels and yaks, Tibetan gazelles, wild sheep and goats – are increasingly dominated by domestic goats that produce hair for the lucrative cashmere trade. Soft and warm, cashmere scarves and sweaters, and cashmere-wool blend coats and suits fetch top prices in exclusive shops."

"Methane gas released from the melting Arctic ice could accelerate global warming and tack on an extra $60 trillion to the cost the world is expected to incur from climate change."

"Last week, former Reuters reporter David Fogarty published a scathing letter online accusing his former employer of abandoning coverage of climate change."

"Emboldened by the recent exuberance over fracking in the United States, ... pundits now claim that the only thing that has peaked 'was the ability to argue that the era of oil, and hydrocarbons, was over.' Not one of them said a single word about the global rate of oil production, which is the essence of the peak oil question."

"YURKHAROVSKOYE GAS FIELD, Russia -- The polar ice cap is melting, and if executives at the Russian energy company Novatek feel guilty about profiting from that, they do not let it be known in public."

"Diplomatic talks on a deal to curb greenhouse gas emissions from the global aviation industry have intensified recently as EU and U.S. officials try to stave off the threat of a trade war, lawmakers and observers said."