There used to be many more acacia trees. Twenty years ago, the savannah was covered with them. These trees provided food and shelter for native acacia ants and in turn, the ants defended the trees ...

Acacia Bishop's memory is alive and well at this year's Festival of Trees. There is one tree there made by a stranger in Acacia's honor. It's decorated with two of her favorite things - - birds ...

The acacia tree has an expected lifespan of 15 to 30 years. So when a 320-year-old tree fell in the village of Balambala in northeast Kenya last week, locals were understandably distraught.