July 7, 2009
The Happy Planet Index ranks countries by ecological footprint and the happiness of their citizens.
Environmental trigger fingered: Increased levels of nitrates from processed food and fertilizers linked to Alzheimer’s and Parkinson’s diseases.
Official thumbs up: American Dietetic Association releases updated position paper on veg diets.
Green giant: Sears tower to undergo an eco retrofit.
Wild animal species threatened by cancer.
Not so sweet news: Artificial sweeteners, not completely removed by sewage treatment plants, may be present in drinking water.
“Schooled”? Sophisticated social learning ability seen in fish.