In this episode Mr Randall discusses landforms found in the middles course of rivers such as meanders and oxbow lakes.

In this episode Mr Randall discusses the formation of V-shaped valleys, interlocking spurs, waterfalls and gorges.

In this episode Mr Randall discusses the fluvial processes of erosion, transportation and deposition.

In this episode Mr Randall discusses the long and cords profile of rivers and how they change from the upper to lower course.

In this episode, Mrs Hughes investigates the urban regeneration of Gunwharf Quays and considers the advantages and disadvantages of this redevelopment.

In this episode Mr Randall discusses the opportunities of tourism, energy and the Indira Gandhi canal as well as the challenges of extreme temperatures, lack of water and inaccessible roads in the Thar Deser

In this episode Mr Randall discusses the solutions to desertification including the great green wall, bunds (stone lines), zai pits and the Toyola stove.

In this episode Mr Randall discusses the causes of desertification in the Sahel, including how climate change is affecting Burkina Faso and how the population growth in Burkina Faso could be responsible for desertification.

In this episode Mr Randall discusses where hot deserts are located, the characteristics of hit deserts as well as how the camel and saguaro cactus have adapted to survive in hot deserts.

In this episode Mr Randall discusses different ways to sustainably manage the tropical rainforest.