How many carbon credits in a blanket of ash and a few trillion tons of Sulphur dioxide worth?

FORBES: When Opportunities Erupt

Geological surveys show America has enough saline rock formations to store three trillion tons of carbon dioxide enough for the next 500 years at the country's current output from human activities.

ECONOMIST: Tech.view

This year, the world is expected to burn through some thirty-one billion barrels of oil, over 3.5 billion tons of coal, and one hundred trillion cubic feet of natural gas.

NEWYORKER: The Island in the Wind

Milesi, who uses satellite data to study the effects of urbanization, estimates Americans use as much as 19 trillion gallons of water and 2.4 million metric tons of nitrogen-based fertilizer annually to care for their lawns.

FORBES: The Green American Dream