02:25 Kenya Students in Nairobi school hope bamboo wall will improve air quality Acrid fumes from the massive Dandora dumpsite next to their school is having a negative impact on the health of students and teachers.
Air pollution Africa: air pollution a "silent killer" in cities - study Africa: air pollution a "silent killer" in cities - study
02:21 South Africa S' Africa: Environmental groups celebrate ruling urging govt to reduce air pollution