Saturday, 21 February 2015

It's a warm world these days.

The Earth is going through an extraordinary process.... the planet is warming, the ice is melting, and the climate is changing. 





This graph shows show world temperatures have changed over the last 100 years.

The red lines show the overall rising trend in temperatures, but there are short-term 'wiggles' as well - the most significant is a green wave pattern.

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