The rising price of oil coupled with newfound environmental concerns have left many countries looking to source alternative energy supplies and biofuel – long used in households across Africa – has emerged as one potential source of alternative energy. But as investors look to exploit biofuel's potential, questions are already being raised about the sustainability of the sector.

Gabon's new special economic zone in Nkok hopes to overcome the problems that have stunted the growth of Africa's other SEZs.

The recession has badly hit the forestry industry, but green legislation, advancements in science and new business models are bringing hope to this market.