Civil liberty concerns about mass arrests over a recent power station protest in the UK have been echoed by Christian Aid director Daleep Mukarji, writing to the Guardian newspaper.

Our need to get out there and demonstrate against a corrupted world, says Brian Draper, needs to translate into a set of positive commitments and actions that speak for what we are for as well as what we are against.

The Put People First demonstration in London on 28 March, ahead of the G20 meeting was a showcase of political, environmental and economic idealism, says Hannah Kowszun. But are such marches mirroring too much of what they decry?

Nearly 40,000 people marched in central London yesterday to demand that the G20 leaders meeting in the capital this week face the need for major changes to the international financial system.

Millions of people worldwide have been switching off lights for an hour at 8.30pm local time today, in what is described as the biggest climate change protest ever attempted.

After the success of the recent rally in Coventry, it is vital to keep the ball rolling on climate change, says UK-based international development and advocacy agency Christian Aid.

Christians from across the country will gather in Coventry today (Thursday), for a national Climate Change Day of Action, which will include a funeral procession through the City.

The UK Secretary of State for Energy and Climate Change has congratulated Catholic aid agency CAFOD on its new campaign to raise awareness and mobilise pressure on the issue of climate change.

Churches in Britain are working with Christians across Europe to lobby ministers meeting in Brussels on 18 March to decide the European Union's position at a UN summit on climate change.