Manufacturers are trying to bolster their green credentials by playing down the importance of speed and lauding initiatives to reduce the environmental impact of flying, as well as the cost.

The United Arab Emirates' bid to build the world's first zero-waste, zero-carbon city will receive a major financial boost from General Electric Co., company Chief Executive Jeff Immelt said today.

Climate change-induced glacier melts have cost northern Peru's mountains 26 per cent of their surface area in the last 33 years, satellite images have confirmed.