CNN: Despite plans to slash carbon dioxide (C02) emissions, the world still faces a very basic, and very big, problem. Many scientists believe the CO2 “tipping point” has been passed already. There is already too much C02 sitting in the atmosphere, and put simply, it needs to be somewhere else. That extra carbon has been building up since the advent of the Industrial Revolution and continues to grow apace. The latest scientific research says that greenhouse gases …