Crowds of people were milling around the cavernous exhibition hall, eating sandwiches and peering at displays of water-saving toilets, recyclable carpets, soybean-based insulation, low-energy lighting, and counters made of reused concrete.

NEWYORKER: Greening the Ghetto

The government is now considering paying firms for each kilowatt-hour saved through energy-saving measures such as low-energy lighting, and offering financial incentives to encourage people to buy efficient equipment for homes and businesses.

BBC: Energy Bill and plans to pay firms to cut energy use due

As the low-hanging fruit of energy efficient lighting gets picked, this kind of advanced analysis represents the higher branches.

FORBES: The Next Bright Idea: Software For Lighting

The forum's founding members are all involved in advanced technology and solutions associated with the Internet of Things, including commercial infrastructure monitoring, energy-saving street lighting, home automation, energy monitoring and low power radio technology for sensors.

ENGADGET: ARM forms UK group to foster an Internet of Things, put 50 billion devices online by 2020

This happened in Japan, where low-energy fluorescent light now accounts for more than 95% of residential lighting.

ECONOMIST: On the environment, Paris Hilton, Sri Lanka, DP World, animal sacrifices, Apple, the future | The