John Carroll

Dueling Coal Ads

The coal industry and environmental groups have each spent millions of dollars on ads for and against clean coal technology. Some ads use inspirational messages; others use humor and sarcasm but which are more effective?

Big Oil, Good PR?

Chevron has a new commercial, designed to counteract negative public opinion about big oil after record profits came in last quarter.

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Big Oil, Good PR?

Chevron has a new commercial, designed to counteract negative public opinion about big oil after record profits came in last quarter.

Dueling Coal Ads

The coal industry and environmental groups have each spent millions of dollars on ads for and against clean coal technology. Some ads use inspirational messages; others use humor and sarcasm but which are more effective?