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Food shortages could force world into vegetarianism, warn scientists

Water scarcity’s effect on food production means radical steps will be needed to feed population expected to reach 9bn by 2050

There’s a food price shock coming, but Canada can stomach it

While markets look at demand rationing in the United States for grains, prices for corn, soybeans and other commodities are likely to remain high due to the unprecedented drought Americans are experiencing this summer.

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Thursday’s massive solar storm may affect power grids, GPS

Earth’s magnetic field is about to be shaken like a snow globe by the largest solar storm in five years.

After hurtling through space for a day and a half, a massive cloud of charged particles is due to arrive early Thursday and could disrupt utility grids, airline flights, satellite networks and GPS services, especially in northern areas. But the same blast could also paint colorful auroras farther from the poles than normal.

Blast it or paint it: Asteroid to threaten Earth in 2013

To avert a possible catastrophe – this time set for February 2013 – scientists suggest confronting asteroid 2012 DA14 with either paint or big guns. The stickler is that time has long run out to build a spaceship to carry out the operation.