People have to live with leaves falling from their neighbor's trees, a German court has ruled. But tree owners do have to stick to some regulations.

South Sudanese refugee, Bidal Abraham uses his time in Uganda to promote a movement to conserve the environment. At 32-years-old he has already been forced to flee his home in South Sudan three times. Each time he made it safely to neighbouring Uganda but noticed a problem: there were always fewer trees.

In Nigeria, the Lagos State Parks and Garden Agency has succeeded in converting unloved open spaces into 170 parks, and has planted millions of trees in the last few years.

This is not some parts of Borno state where insurgents have destroyed schools. These images are from a school in Lagos, Nigeria's commercial nerve centre. The students of State Junior High School, Ibereko, Badagry were pictured last week taking lessons under trees in the school premises.