Africa is home to 60% of the world’s arable land – it is considered an important centre of agricultural production. It has enormous potential to meet our own food needs and those of other countries on other continents. But several factors are changing the environment in which our continent’s agriculture operates and are leading to huge concerns around food security. (Food security means that not all people have access to safe, affordable and nutritious food.) Science Stars looks at what has changed over the years for our continent, how we are coping today, and what the best way forward is.