In a new study conducted by the Oak Ridge National Laboratory to be published in the journal Computers & Geosciences, in May 2012, , researchers announced a new method for assessing global water stress. The tool they developed integrates climate, population and freshwater statisti

How much of the world’s land surface do we use today for planting crops? If I said 20% would you think that is too low. Well it’s not. There are conflicting numbers on just how much of the planet is under cultivation. Here are  interesting numbers from one source: 81.98% o

The 20th century was the age of the internal combustion engine just as the 19th was the age of steam. Humanity went from horse and buggy, sail and balloons to the development of railway networks, automobiles, engine-driven ships, airplanes and rockets. The world became a lot smaller p