Seems that the idea that human activity is causing climate isn't new at all. The headline in the October 28, 1956 edition of the New York Times warns:
WARMER CLIMATE ON THE EARTH MAY BE DUE TO MORE CARBON DIOXIDE IN THE AIR"
You can download the entire article at the end of this post.
Here are some quotes I've pulled:
Of the three gases that check radiation, carbon dioxide is especially important even though the atmosphere contains only 0.03 per cent of it by volume."
Despite nature's way of maintaining the balance of gases the amount of carbon dioxide in the atmosphere is being artificially increased as we burn coal, oil and wood for industrial purposes."
In a few centuries the amount of carbon dioxide released into the atmosphere will be so large that it will have a profound effect on our climate."
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