MPs have public contact details so their constituents can get in touch. In most cases you can write, phone, fax or email. MPs will generally only act on behalf of their constituents.
To see who your MP is, what their interests are and how they voted on key issues go to http://www.theyworkforyou.com and enter your postcode.
One way you can get involved and take action for human rights in Colombia is by supporting the campaigns of our members and observers.