Our environment must be kept clean to prevent disease like cholera and malaria.,.. The following are some methods of keeping the environment clean........(1) Ponds and other stagnant waters in the environment must be drained regularly........ (2) There should be regular clearing of the weeds around our homes and the sources of drinking water...(3) Refuse and sewage should not be released into the environment ...(4) Factories,which cause pollution,should be sited away from human habitation..(5) The environment,must be swept well and the rubbish dumped at a specific place.. "AFRICAN CLUB"