Tag Archives: greenhouse gas

Transportation CO2 Surpasses Power Sector CO2: Good News or Bad?

co2-sources-since-1973Last week, DOE announced that transportation sector CO2 emissions in the US exceeded power sector CO2 emissions for the first time since 1978. Why?  The combination of increasing vehicle miles traveled in the transportation sector and the decreasing use of coal in the power sector is certainly most of the answer.

The real question is whether this is good news or bad news.… More

One Step At A Time Is Just Too Late: The DC Circuit Strikes Down EPA’s Deferral of GHG Regulation of Biomass Emissions

On Friday, in Center For Biological Diversity v. EPA, the D.C. Circuit Court of Appeals struck down EPA’s rule deferring regulation of GHG emissions from “biogenic” sources.  EPA had promulgated the rule, delaying regulation of emissions from biogenic sources from July 20, 2011, to July 21, 2014, on the ground that the carbon cycle is sufficiently complex that EPA is not yet in a position to judge what the actual carbon impact of different biogenic sources might be. … More

Was 2009 Really That Long Ago? Thoughts On Federal Carbon Policy

169849_3851It seems hard to believe now, but only a few years ago it looked like we might get federal cap-and-trade legislation to address greenhouse gas emissions.  Almost exactly four years ago the House of Representatives passed the American Clean Energy and Security Act, which would have done just that.  Within about a year, cap-and-trade legislation died in the Senate.  Comprehensive climate change legislation has not seriously been on the agenda since. … More