Supervolcano Eruptions

Horizon - Supervolcanoes Horizon - Supervolcanoes- It is little known that lying underneath one of America's areas of outstanding natural beauty - Yellowstone Park - is one of the largest supervolcanoes i… Supervolcanoes could trigger global freeze [BBC News] Supervolcanoes could trigger global freeze [BBC News]- The threat of climate change caused by human activity could turn out to be a minor problem by comparison with a scarcely ack…