The aviation sector is undergoing one of the hardest periods in its history as volatile oil prices, falling passenger traffic and recession hamper the industry. It is also facing the challenge of climate change, in particular convincing the world that it is doing its bit to reduce carbon emissions, CNBC's Guy Johnson reports. Max Sukkhasantikul from Frost & Sullivan discusses the industry's carbon challenge.

There were just a scattering of new orders as the Dubai air show hits week, suggesting the airline sector is still smarting from the financial crisis. CNBC's Guy Johnson has more.

Countries like the US and Germany have dominated the renewable-energy market by investing heavily in the sector, but some of the emerging markets look likely to take over in the race to clean energy. CNBC's Guy Johnson investigates and Robin Cohen from Deloitte has analysis.

Thursday night saw a page turning event take place at London's Victoria and Albert Museum as the FT and Goldman Sachs hosted the annual business book of the year awards. CNBC's Guy Johnson went along to read between the lines.

Dyala Sabbagh brings October's Gateway to the Middle East from the Desert Palm outside Dubai. Guy Johnson is in Turkey where Ziya Akkurt, the CEO of the country’s biggest bank, shares his thoughts. Joanna Andrews travels to Bahrain to speak with His Excellency Shaikh Mohammed bin Essa Al Khalifa, Chief Executive of EDB. Plus, Aldar CEO John Bullough.

"Turkeys accession to the EU was delayed and delayed," Turkish Prime Minister Recep Tayyip Erdogan told Guy Johnson. "Now Turkey has begun accession talks. We have no intention of letting go of this process."