The map illustrates geographical variations in the potential for generating solar power in hot, arid environments.
State the labelled solar irradiation interval covering much of Namibia.
State the solar irradiation class represented by the darkest-red areas in Namibia.
Outline one advantage of using solar power in a remote settlement in a hot, arid environment.
Explain one way the geographical variation in solar irradiation shown could influence the location of solar-power projects in hot, arid environments.
Explain one challenge that must be managed for solar power to contribute to sustainable development in a hot, arid environment.
The map illustrates the solar resource available for renewable-energy development in extreme environments.
Identify which has higher mapped solar irradiation: the Saharan interior or equatorial central Africa.
Identify the two countries, from Chad, Sudan and Congo, that contain extensive areas in the highest solar irradiation class.
Outline one reason why high annual solar irradiation does not guarantee a continuous electricity supply from solar panels.
Explain two economic consequences of developing solar energy in areas of high irradiation shown in the map.
The graph illustrates pressure on freshwater resources in hot, arid environments.
Estimate Israel's annual freshwater withdrawals as a percentage of its internal renewable freshwater resources.
Identify the country with the lowest percentage shown on the graph.
Outline one reason why annual freshwater withdrawals can exceed a country's internal renewable freshwater resources.
Explain two soil and water conservation methods that can reduce desertification in hot, arid environments.
The graph illustrates contrasting levels of freshwater resource use that can contribute to competition in arid environments.
Estimate Jordan's annual freshwater withdrawals as a percentage of its internal renewable freshwater resources.
Identify which of Algeria, Oman and Tunisia has freshwater withdrawals exceeding 100% of its internal renewable freshwater resources.
Outline one way increased industrial water use can affect pastoral communities in an arid environment.
Explain one way conflict can accelerate desertification.
Explain one way demand from distant markets can increase pressure on resources in an extreme environment.
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Evaluate the benefits and limitations of solar power and desalination for sustainable development in hot, arid environments.
Examine how economic connections with other places create opportunities and risks for people in extreme environments.
To what extent are changes in land use more important than climate change in accelerating desertification?
With reference to one case study, examine how differences in power influence access to resources in an extreme environment.
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To what extent can adaptation by local populations reduce the impacts of global climate change in extreme environments?
To what extent do challenges in extreme environments require international rather than local management?