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NRC report concludes hydraulic fracturing poses low risk for causing earthquakes, but risks are higher for wastewater injection wells; CCS impact undetermined

Green Car Congress

Schematic diagram of a shale gas well following hydraulic fracture treatment, with the relative depths of local water wells shown for scale. Earthquakes attributable to human activities are called “induced seismic events” or “induced earthquakes.” Source: NAS, adapted from Southwestern Energy Click to enlarge.

Oil-Sands 250
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Study finds pollution strengthens thunderclouds, warming the atmosphere

Green Car Congress

Called deep convective clouds, thunderstorm clouds reflect a lot of the sun’s energy back into space, trap heat that rises from the surface, and return evaporated water back to the surface as rain, making them an important part of the climate cycle. Collectively, these events lead to bigger, more vigorous convective clouds that live longer.

Pollution 218
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State Department issues Draft Supplemental Environmental Impact Statement on Keystone XL Pipeline: climate change impacts

Green Car Congress

Conventional (deep) crude reservoirs require higher energy intensive secondary and tertiary production techniques as the reservoirs deplete and as water cut of the produced reservoir fluids increases, and even the best recovery techniques capture less than 50% of the original oil in place.

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Your Greenius Earth Day Reality Check: Waiting For The Magic Bullet

Creative Greenius

You can go to events where you recycle your old paper tax records, your motor oil, your cellphone, computers and other electronics. . But what you cannot do at any Earth Day event – or any other day’s events – is change the sense of urgency of the U.S. So what am I doing today for Earth Day 2012? La Di Da. . La Di Da.

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Your Greenius Earth Day Reality Check: Waiting For The Magic Bullet

Creative Greenius

You can go to events where you recycle your old paper tax records, your motor oil, your cellphone, computers and other electronics. . But what you cannot do at any Earth Day event – or any other day’s events – is change the sense of urgency of the U.S. So what am I doing today for Earth Day 2012? La Di Da. . La Di Da.