Since 1980, there has been a worldwide increase in the use of AAC materials.
The authors of the study said the most likely cause was a worldwide increase in carbon dioxide spewed into the atmosphere from smokestacks and vehicles.
The growth came against a slight 1 percent worldwide increase in all scheduled flights.
The data from space measurements have been showing a worldwide, steady increase in temperature over the last 28 years.
Systemic causes for the worldwide increases in food prices continue to be the subject of debate.
One post-war outcome was the massive worldwide increase of births between 1946 and 1964, known as the Baby Boom.
The northward range expansion coincides with the worldwide increase in temperature due to the greenhouse effect.
In fact, in 2004, there was the largest worldwide increase in oil demand ever.
Since 1990 there has been a worldwide increase in mergers and also the market power of transnational concerns.
Due to worldwide increases in the prices of steel, concrete and fuel some cost estimates for new stadiums have exceeded $1 billion.