Fracking explained: opportunity or danger

What is hydraulic fracturing – or fracking ? Since the industrial revolution our energy consumption has risen unceasingly. The majority of this energy consumption is supplied by fossil fuels like coal or natural gas. Recently there has been a lot of talk about a controversial method of extracting natural gas: Hydraulic fracturing or fracking. Put […]

Plant power: Plants vs fish!

So, population growth means more mouths to feed. We eat a lot of fish, but the oceans aren’t getting any bigger and most of the fish we consume is now farmed. That includes salmon, an important source of long-chain omega 3 fatty acids that keep us healthy. But in order to maintain high levels of […]