http://www.christianaid.org.uk/ActNow/climate-justice/caravan-of-hope-2011/index.aspx In the lead up to the UN's climate change talks in South Africa, we are joining the TransAfrican Climate Caravan of Hope on a bus journey of more than 3000 miles through 10 countries to highlight the impact climate change is already having in Africa. Ally Carnwath, our Africa Communications Officer, is joining the journey and keeping us up to date.