Studying the frozen ends of the earth: This Thursday marks the official start of the International Polar Year (IPY), an unprecedented research assault on Antarctica and the Arctic. Some 10,000 scientists from more than 60 countries launched the push because of significant changes they see taking place at these frozen ends of the Earth. — The Christian Science Monitor

Hybrid cars replace Oscar limos: An increasing number of nominees have eschewed the traditional stretch limos, opting instead for environmentally friendly hybrid vehicles to deliver them to the red carpet. Among the stars going green for the occasion was noted environmentalist and screen heartthrob Leonardo DiCaprio, a best actor nominee for Blood Diamond…”Cleaner cars, energy efficient homes, and green building help reduce greenhouse gas emissions,” DiCaprio said in a statement issued today. — The SMH

New marine creatures discovered in ice shelves: Remarkable images of newly discovered marine creatures have been released by scientists who found a unique ecosystem after the collapse of ice shelves, which had covered the Antarctic ocean bed for thousands of years. — The Scotsman

Boomers go green: The boomers could be on the verge of making another major turn. After decades of indifference, they are starting to change their buying habits in response to global warming. And automakers are rolling out a growing list of vehicles to take advantage of the changing attitudes. — The Washington Post

Ikea bins the plastic bag: Home furnishings superstore chain Ikea is taking a stand against plastic bag waste. Starting 15 March, all its US stores will start charging customers five cents per plastic bag to encourage shoppers to reuse bags and totes.  — The Dallas Morning News