Thursday, May 27, 2010

Six Minutes to Midnight - Part 1

"Don’t go around saying the world owes you a living.
The world owes you nothing. It was here first”
-  Mark Twain

Prologue

The issue of global warming is a topic which has invaded the consciousness of people all around the world. As a species we have faced many threats to our way of life such as disease, famine and war. Global warming now takes its place in this category.
Since 1947 a symbolic clock has been maintained, it represents the level of imminent threat to human civilisation. It was originally intended to reflect the threat of nuclear arms build-up and the cold war standoff between the two world superpowers of USA and the Soviet Union. The distance the clock was to midnight represented this threat. Throughout the intervening years since its inception it has moved closer or further away to reflect changes in global stability. Since 2007 it has been changed to now represent the threat of global warming, and as of May 2010, we stand at six minutes to midnight.


In this series of blog posts I will give a brief overview of the main topics of what is the greenhouse effect and how human activity affected this natural cycle. I will show how the climate has changed over the years preceding industrialisation. Finally I will introduce the scientists who have revealed this global threat.

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