água e segurança nacional

SCARCITY CROSSING NATIONAL BORDERS – From Chapter 3. Emerging Water Shortages Lester R. Brown, Plan B 2.0: Rescuing a Planet Under Stress and a Civilization in Trouble Pag.55 Historically, water scarcity was a local issue. It was up to national governments to balance water supply and demand. Now this is changing as scarcity crosses national […]

campo vs cidade

FARMERS LOSING TO CITIES – From Chapter 3. Emerging Water Shortages Lester R. Brown, Plan B 2.0: Rescuing a Planet Under Stress and a Civilization in Trouble Pag.53 Water conflicts among countries dominate the headlines. But within countries it is the jousting for water between cities and farms that preoccupies local political leaders. The economics […]

cidade e combustível

CITIES AND SUBURBS AFTER PEAK OIL – From Chapter 2. Beyond the Oil Peak Lester R. Brown, Plan B 2.0: Rescuing a Planet Under Stress and a Civilization in Trouble Pag.37 Suburbs have created a commuter culture, with the daily roundtrip commute taking, on average, close to an hour a day in the United States. […]

comida vs combustivel

FOOD AND FUEL COMPETE FOR LAND – From Chapter 2. Beyond the Oil Peak Lester R. Brown, Plan B 2.0: Rescuing a Planet Under Stress and a Civilization in Trouble Pag.31 On any given day there are now two groups of buyers in world commodity markets: one representing food processors and another representing biofuel producers. […]