Barcelona has ordered 63 shipments per month of water to supply its population. Persistent drought has forced Spain's second city to use this last resort solution never tried before at this scale. 6.3 million people live in Barcelona.
Having reached 16% of Brazil's total energy output in 2007, sugarcane biofuel has overtaken hydroelectric power as the country's second energy source, according to an annual official study released Thursday.
A 20-year programme involving a 5.5 billion-euro investment to save the Niger River will be discussed at a west African states summit. The Niger's extinction would be a major threat to 110 million people.
South Africa is set to lift a 13-year ban on elephant culling in order to combat a surge in population numbers, though animal rights activists cry foul and call for a boycott of the country by international tourists. (Story: France2)
A Canadian scientific panel has called on the government to step up efforts to protect the country's polar bears and their habitat, though it stopped short of suggesting the species was under imminent threat of extinction.
Two and a half million Somalis are at risk of starvation because of the twin effect of civil war and drought, the UN has warned. The country has been caught in endless fighting since President Mohamed Siad Barre was ousted in the early 1990s.
Argentine officials suspended flights and closed highways around the country's capital after widespread grass fires in an agricultural region north of Buenos Aires sent a dense cloud of smoke over the densely populated area.