We can think of a greenhouse in much the same way as a mini version of the Earth, with its atmosphere being made up of glass instead of the layers of gas found surrounding our planet. Much like the Earth as well the earthy greenhouse floor is heated as a result of radiant energy which is subsequently...

The water cycle is the cyclical movement and transportation of water both above and below the Earth’s surface. The cycle is continuous and has no end or origin point. Within the cycle water can change its state at any point, whether changing to or from liquid, ice and vapour. Despite the fact that...

In simple terms, a carbon footprint is just the complete amount of greenhouse gases emitted as a result of both direct and indirect human activity. Carbon footprint totals are normally written and spoken of in terms of tons of carbon dioxide. So, when related to everyday activities, the simple act of...

Nature is an amazing thing. It is the ultimate conserver and recycler, wasting nothing with its rhythms and cycles. The water cycle is just such a process, whereby water is continually recycled through this wonderful and balanced system. In basic terms, the water cycle is the unceasing transportation...

The previous three posts in this series (1, 2 and 3) on coal electricity generation with carbon capture and sequestration (CCS) have examined the technologies to capture carbon-dioxide from coal power plants, sequester captured carbon-dioxide from the atmosphere, and the economics of a coal power plant...