Super volcanic eruptions interrupt ozone recovery

Since the Antarctic ozone hole was detected in 1985, depletion of the ozone layer—the "big umbrella" that protects all life on Earth—has raised considerable concern. The efforts of international communities led to the ...

Canada revises upward CO2 emission data since 1990

Canada revised its greenhouse gas emission data from 1990 to 2013 in a report Friday, showing it had higher carbon dioxide discharges each year, and a doubling of emissions from its oil sands.

Scientists reveal underpinnings of drought tolerance in plants

Regions all over the globe are suffering from severe drought, which threatens crop production worldwide. This is especially worrisome given the need to increase, not just maintain, crop yields to feed the increasing global ...

Eyjafjallajokull's iron-rich ash fertilized North Atlantic Ocean

In about a third of the global ocean, the abundance of life is limited by a dearth of biologically available iron. The supply of iron to a region that is depleted in this important nutrient can stimulate algal productivity, ...

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