Hundreds of thousands of people have taken to the streets in New York, London and other cities around the world demanding action against climate change. Consumers, corporates and entire countries are being urged to act responsibly.

International homeless charity rebrands and switches to social enterprise model at launch event in London. Social entrepreneurship is on the agenda in the Philippines and singer Laura Mvula backs music charity.

Change the way you shop, stop heading straight to giant corporate retailers and start thinking more ethically with our pick of the top 10 socially responsible buys. 

Dame Vivienne Westwood backs the UK's first live crowdfund and London's biggest solar-powered party to raise investment for renewable energy organisations. 

The highly anticipated report from the G8 Social Investment Taskforce's UK Advisory Board sets out its vision for the social investment market in the UK and prioritises pension reform. 

Oxfordshire has become a Social Enterprise place in time for Social Saturday – a day which aims to raise awareness for social enterprise in the UK. Internationally, Social Media Week seeks meaningful trends on various digital platforms.

What does mischief have to do with starting social movements and how in the 21st century can we inspire the masses into action? Ellie Ward talks to John Jackson – a leading figure in a number of international campaigns – to find out.