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?

CITY TECH BLOG
Are You Funding Fossil Fuels? By a City Tech Blogger
Probably you are not, but your bank is. Any time you leave your money in your bank account, it doesn’t just sit there. The bank that looks after your money puts it to work. It takes your money and lends it to various companies, businesses, and projects, to