Frank Dixon reflects on a Gross National Happiness index as an alternative measure of success to Gross National Product. To see more of Frank's work go to GlobalSystemChange.com

The London Accord is a unique collaboration between investment banks, research houses, academics and NGOs. The London Accord has produced the first ‘open source’ research resource for investors in climate change solutions. This executive summary gives an overview to The London Accord itself. For more information go to www.london-accord.co.uk

Vodafone and Citigroup launched a service to migrant workers to transfer money back to their home countries using mobile phones.

The System Dynamics group at MIT has created a simple computer simulation model of how greenhouse gas emissions drive the levels of atmospheric CO2.

How to spot, prevent and avoid greenwash for consumers, companies and agencies.