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...energy to cool down rather than expending energy on growth. To keep the nesting box at the right temperature place it in a north or east facing position. This avoids excessive heat and can also help in keeping out the wind. To reduce the rain impact, make sure it is tilted forward slightly when you erect it, this avoids the rain getting into the box. The image to the...

...energy dominate natural systems and cause these changes. You will consider flows of water, heat and even pollution around the planet and look at how, through positive feedback processes, the flows that are affecting the Arctic are already changing the whole planet. There will be further changes, with an impact on us all. The Arctic is often considered a victim of climate...

...energy that comes from the Sun and the rate at which the planet returns that energy into space. We will also discuss the natural greenhouse effect, and how this contributes to a balanced global climate. We will then go on to consider the human impact on the atmosphere, including the impact of industrialisation, other sources of greenhouse gases that are connected to...