Climate change is affecting the world's poor right now, and it has mainly been caused by emissions from richer nations.
These people are already vulnerable to drought, storms and flooding. Now long-term climate change is putting lives and livelihoods further at risk.
Wealthy countries must urgently agree legally binding targets to reduce emissions. They must also help poor countries develop cleanly and adapt to the changing climate.
View the film below to learn more.
Severe drought in August 2009 left pastoralist communities in north east Kenya on the verge of catastrophe. The frequency of droughts in this part of Kenya has increased considerably in recent years as a result of climate change.
Christian Aid's partner Northern Aid is working with the poorest communities in northern Kenya to monitor water levels and protect precious water supplies for people and their livestock.