Two Columbia University scientists have mapped irrigation over time. Between 1901 and 2002, irrigated land has jumped five-fold, helping to feed today’s six billion people. It also tends to cool temperatures and increase precipitation, masking global warming. What happens if the water runs out?
One of the most important issues of our day is climate change, a phenomenon mostly caused by human activity. Its effects go far beyond temperature increases and altered weather patterns; they have a significant impact on important industries like tourism, industry, and agriculture. The people who directly depend