Green Car Congress

AUGUST 21, 2009

Reducing emissions of black carbon soot and ground-level ozone would quickly make a considerable dent in the climate change problem and would also contribute to public health and protect crop yields, according to an essay in the September/October issue of Foreign Affairs. Besides a danger to breathe, ozone lowers crop yields.

Climate Change 262

Climate Change Ozone Climate Carbon 262

Green Car Congress

AUGUST 29, 2013

Annual average concentrations of fine particulates from US sources of combustion emissions from (a) electric power generation; (b) industry; (c) commercial and residential sources; (d) road transportation; (e) marine transportation; (f) rail transportation; (g) sum of all combustion sources; (h) all sources. Source: MIT.

MIT 378

MIT Emissions Ozone Powered 378

Green Car Congress

JUNE 12, 2023

Unlike exhaust from burning coal and gas that contains CO 2 , burning hydrogen emits only water vapor and oxygen. Rather, it is the leaking of hydrogen from production, transportation and usage that adds to global warming. Sand et al. Hydrogen interacts with various biogeochemical processes.

Hydrogen 435

Hydrogen Global Ozone CO2 435

Green Car Congress

APRIL 29, 2013

(The figure includes the direct effects and those indirect effects due to the production of tropospheric ozone and stratospheric water vapor.) In 2011, CH4 emissions from coal mining were 63.2 Routine maintenance emissions originate from pipelines, equipment, and wells during repair and maintenance activities. Transmission and Storage.

2007 285

2007 2011 EPA Gas 285