Energy

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.

CNBC's Sue Herera sits in for Maria Bartiromo to discuss the day's top business and financial stories, and look ahead to tomorrow's Closing Bell.

CNBC's Sharon Epperson discusses the day's activity in the commodities markets, and looks ahead to where oil is likely headed tomorrow.

A look at the oil trade, with Joe Terranova, Virtus Investment Partners chief alternatives strategist.

A look at weatherization and how to profit from it, with CNBC's Brian Shactman.

Shares in BSS Group rose Tuesday as the UK plumbing and heating firm posted a 23% fall in first-half adjusted pretax profit but maintained its dividend and said it was confident on the second half of the year. CEO Gavin Slark told CNBC the group's strategy has been to protect and gain market share during the downturn.