Marine mammals, underwater sounds and shipping noise

A neat talk by Peter Tyack at TED, entitled “The Intriguing Sound of Marine Mammals“, in which he explains the effect of human noise on the sounds made by marine mammals, and what’s being done to correct the situation. A few tidbits: Better propeller designs decrease propeller noise by up to 90% Insulating the engine… More Marine mammals, underwater sounds and shipping noise

Turning trash into usable products

Ann Wizer from XSProject Foundation (as in “excess”) is making custom-designed bags and other products from non-recyclable plastic waste found in Indonesia and the Philippines. She buys the raw materials from trash pickers, whom she pays at above-market rates, and, using trained artisans, creates beautiful products from trash that would be clogging landfills, streets and… More Turning trash into usable products