Green Car Congress

MARCH 5, 2010

Although the oceanic CH 4 flux should be revised, the current estimate is not alarmingly altering the contemporary global CH 4 budget. The East Siberian Arctic Shelf is a methane-rich area that is a shallow seaward extension of the Siberian tundra that was flooded during the Holocene transgression 7 to 15 thousand years ago.

Tundra 223

Tundra Escape Store Climate 223

Green Car Congress

FEBRUARY 14, 2009

There is a real risk that human-caused climate change will accelerate the release of carbon dioxide from forest and tundra ecosystems, which have been storing a lot of carbon for thousands of years. Of particular concern is the impact of global warming on the tropics. The fifth assessment should include futures with a lot more warming.

Climate Change 150

Climate Change Climate Tundra Carbon 150

Green Car Congress

MAY 28, 2009

To put this in a global context, if the average global temperature continues to rise, current calculations predict that positive feedback from permafrost thaw could annually add as much carbon to the atmosphere as another significant source, land use change. Vogel et al.

Climate Change 150

Climate Change Water Climate North America 150

Green Car Congress

JUNE 23, 2011

Chevron is taking its technology learnings from Kern River and apply them to Duri and other major heavy oil fields globally, such as Wafra in the onshore Partitioned Neutral Zone (PNZ) between Kuwait and Saudi Arabia and in the Orinoco in Venezuela.

Chevron 244

Chevron Oil Oil-Sands Production 244