Many Arab and African countries are struggling with rising populations. But in Egypt the pressures are acute, because 97% of its people live on just 8% of its territory, crowded along the Nile.
Population growth and climate change are putting increasingly intense pressure on the planet's limited water supplies, with worsening shortages emerging from the Middle East to Asia and Latin America, researchers and bankers said on Monday.
Arab states are facing a water supply emergency they need to coordinate an urgent response to, with per capita resources expected to fall by 50 percent by 2050, the U.N. Food and Agriculture Organization said on Thursday.
Cheap, reliable and hard to hijack, the sun could be an ideal energy source in many war zones and disaster areas, prompting aid agencies to consider ditching costly fuel for solar power.
