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How biofuels and speculation are driving food prices to scary new heights. Why have global food prices spiked not once, but twice in the last three years, raising the specter of famine and triggering worldwide food riots-- including the Arab Spring? Many explanations have been floated, including climate change-related droughts in Australia, volatile oil prices, “food security” export restrictions, and last but not least, feeding China’s strategic pork reserve

Escaped GM salmon could breed and pass on their genes in the wild--and those genes could cause weak salmon that eventually die off. The GM salmon companies say they have a solution to keep their fish sterile, but remember: Nature finds a way

New positive numbers about the world's rainforests provide lessons on how to prevent deforestation: protect, plant, and pay. Ethonomic Indicator of the Day: 25%--amount of decrease in rainforest deforestation The climate is becoming increasingly unpredictable and global greenhouse gas emissions are increasing, but take heart: the destruction of the world's largest rainforests (the Amazon, Congo, and Borneo Mekong) is actually down 25%, according to a new report from ForestCarbon Asia .

Coca-Cola made headlines in 2009 when it introduced the PlantBottle, a beverage bottle made from petroleum-based materials and 30% plant-based materials. The company's ultimate goal has been to make a 100% plant-based bottle--but now PepsiCo has beaten it to the punch.

The Palo Alto-based company is rapidly expanding in India and China with a simple tool to save farmers and governments large amounts of water and cash. China is getting ready to invest over $600 billion in the next ten years in water conservation , as announced in its latest five-year plan . Why?