Bay of Bengal risks tsunami too. The northern tip of the Bay of Bengal, which is home to more than 60 million people, is at risk from tsunami-generating earthquakes, an Australian seismologist says. Writing today in the journal Nature, Dr Phil Cummins of Geoscience Australia uses historical data and recent seismic surveys to outline the earthquake risk. — ABC News

China‘s no car day. September 22nd marks the first annual “No Car Day” in China, a national campaign hoping to reduce exhaust emissions and ease traffic congestion by limiting the number of private vehicles on the roads. Over 100 cities in China will participate, leaving residents to travel by foot, bike or public transportation. In Shanghai, a third of the city’s vehicles will be ordered off the roads and private cars will be banned from driving through areas of downtown. — Inhabitat

The A to Z of the biofuel industry. We’ve written plenty about the growing biofuel market and the rising concern over the sustainability of corn or wheat ethanol and soy biodiesel production. Here’s an A to Z of alternative materials and innovative processes that can turn that biomass into fuel. From milk-based ethanol, to termite intestines that help make biofuels, check out these 26 sources. — earth2tech

8 crazy ways to build a house. Alternative lifestyle decisions fuel the green movement and the market of everything from hybrid cars to self composting toilets. One way to save thousands of dollars and to live without the guilt of Gaia is to construct a house using alternative materials besides precious wood, polluting vinyls and foam insulation. Some of these alternative housing methods are extremely useful to the earth, as everyday trash can be used to build an entire house, or a natural material can be used, and then recycled when the house is ready to be torn down. — Improvement Web

Rare Japanese Dugong threatened by U.S. military base. The rare Okinawa dugong has been classified as “critically endangered” on Japan’s Ministry of the Environment Red List, the Japanese equivalent to the U.S. government’s endangered species list, officials announced this month. About 100,000 dugongs—relatives of the manatees—live in the coastal waters of the South Pacific and Indian oceans. Conservationists hope that the move will back up legal action already underway to halt the expansion of a U.S. military base on the island of Okinawa into prime dugong habitat. — National Geographic News