Nonetheless, Congressional leaders are aware that the president is obligated under current law to regulate greenhouse gas emissions in some manner, and is deeply committed to doing so. (thehill.com)
To me this seems like plenty of motivation for congress to pass a reasonably intelligent scheme for regulating greenhouse gases effectively and appropriately. (planet3.org)
The report also takes the position that any attempt to regulate greenhouse gases at this point, though well intended, will not slow the predicted effects of a changing planet. (scientificamerican.com)