The International Air Transport Association has called on the world's governments to unite in support of aviation's ambitious targets to combat climate change.

The 25 storey skyscrapers will house 2,000 employees and feature sky gardens and photovoltaic systems.

Bayer MaterialScience has developed a unique concept for a 'green shoe' that uses a whole host of sustainable materials and technologies.

Thai Airways International Public Company Limited has launched the Carbon Offset Programme with the International Air Transport Association to provide customers with the opportunity to offset carbon emissions generated from flying.

The company is committed to a 20% reduction in CO2 by the end of the 2012 financial year and are targeting a 90% reduction in CO2 by the end of the 2023 financial year.

Key factors driving market growth include growing popularity of cycling as a preferred leisure activity, increasing environmental concerns over greenhouse gas emissions, rising fuel/energy prices, and increasing emphasis on health.