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...carbon emissions from older buildings: some opportunities and challenges...[Painting of a heritage building by Freya Wise] The need to retrofit Homes in the UK are responsible for around 18% of total UK carbon emissions and between 80-90% of the homes that will be in use in 2050 have already been built. Retrofitting existing buildings to reduce their energy demand and...

...footprint. It is very rare to find the track maker at the end of the trail, but this can be done. Alternatively, we can also estimate the hip height is typically about four times the length of the footprint. The Alexander formula These measurements can be added into a mathematical equation called the Alexander formula, which gives an estimate of speed. This formula...

...carbon cycle, and distinguish the terrestrial and marine parts of the cycle discuss the issues involved in concentrating, storing and transporting energy recognise which energy resources have a low energy density, and which have a high energy density...Energy resources: An introduction to energy resources: 1 Energy use - Until about 8000 years ago humans relied on hunting...

...footprint, and their food is a big contributing factor. Sustainable living experts Robert and Brenda Vale suggest in their book “Time to Eat the Dog? The Real Guide to Sustainable Living” that a medium-size dog could have a similar footprint to a large SUV. Other experts have come to similar conclusions about the sustainability of feeding pets. Our Clinical Nutrition...