CABRERA: The map of Antarctica is being redrawn as we speak. Scientists say around the 12th of July an iceberg the size of Delaware broke off from the continent, but what could cause this one trillion ton block of ice to detach? Here's CNN's Kyung Lah.</s>KYUNG LAH, CNN CORRESPONDENT (voice-over): A crack more than 120 miles long on the east side of the Antarctic Peninsula, finally breaking off, creating a spectacular iceberg weighing more than a trillion metric tons, roughly the size of Delaware.</s>UNIDENTIFIED FEMALE: It's one of the largest icebergs in human history.</s>LAH: UCLA professor</s>UNIDENTIFIED FEMALE: You learn it from samples of ice and samples of rock.</s>LAH: This geochemist says the overall trends in the arctic point to global warming.</s>UNIDENTIFIED FEMALE: The fact that we've had seven out of the 12 ice shelves on Antarctica collapse in the last two decades and this one appears to be ready to go with the breaking off of this major iceberg, that is hard to attribute to anything else.</s>LAH: Kyung Lau, CNN, Los Angeles.</s>CABRERA: Coming up, wild pictures of a car that ended up on the roof of a home. We'll tell you how it got there. You are live in the CNN NEWSROOM.
Map of Antarctica is being redrawn