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Core GeologyEspecially in the 20th Century, the abundance and scarcity of valued resources propels the rise and fall of economic and political power of nations. Not since the discovery of gold in 1848 has the understanding of the world's geology been more important to the welfare of the nation. 
Core MeteorologyMeteorology, once the simple study of atmospheric events ... Storms ... hurricanes ... tornadoes ... And temperature changes, has grown in the 21st century to include such disciplines as atmospheric chemistry and physics, climatology and global warming. 
GlaciersThe most powerful geologic force on the planet - glaciers. Glaciers can dominate an entire continent. 
Glaciers and Ice Caps - The MeltingThe change from a solid state, snow and ice, to a liquid state, water, makes the Arctic sensitive to climate change and introduces many dangerous positive feedback loops that can drive sudden detrimental climate shifts. 
When the Water Tap Runs DryAmerica no longer has enough water to support the ever increasing demand, and now America is facing a water shortage crisis. |
