Ever-present in society is the need to conduct economic transactions. In some places, fresh produce and livestock facilitate trade, while in others, coins and paper currency are the means of exchange. Today, however, economic transactions increasingly depend on an exploding ...

Climate change is threatening the global citizen’s morning cup of coffee, with scientists predicting a 50% decrease in land sustainable for coffee production by 2050. Around 500 million cups of coffee are consumed annually, so how will the caffeine-reliant population ...