As the world continues to seek out new energy sources, the Arctic Ocean is becoming a hot bed of activity. The US must ratify the UN Convention on the Law of the Sea in order to secure exclusivity rights to the lucrative area.
President Obama has blocked the Keystone pipeline, backed biofuels, and prioritizes the earth over people, say GOP presidential candidates. Environmentalists say Obama is a big disappointment. Who's right?
Supercontinents are giant landmasses made up of more than one continental core. The best-known supercontinent, Pangaea, was once the world's only continent — it was on it that the dinosaurs arose — and was the progenitor of today's continents.