Remove 2006 Remove Emissions Remove Global Remove Ozone
article thumbnail

UN report projects that increasing use of HFCs likely to have a significant climate impact by 2050; equivalent to current total annual emissions from transport

Green Car Congress

The decrease in CO 2 equivalent emissions of ODSs (ozone-depleting substances: CFCs, halons, HCFCs, and others) may be offset by the projected increase in their non-ozone depleting substitutes (HFCs) (lines designated as HFC scenarios). Climate and the Ozone Layer. Source: UNEP. Click to enlarge.

Climate 287
article thumbnail

EPA says methane emissions from natural gas production have dropped 36% from 2007-2011

Green Car Congress

In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 a global warming potential of 21.

2007 285
article thumbnail

US Climate Action Report to UN Projects 4% Growth in Total US GHG Emissions to 2020

Green Car Congress

From 2005 through 2020, total US greenhouse gas (GHG) emissions are projected to rise by 4% under a “with measures” scenario (but without a cap-and-trade program and other complementary policies), from 7,109 Tg CO 2 Eq. The report projects that transportation-related CO 2 emissions will drop 1.5% to 7,416 Tg CO 2 Eq., 5,813 Tg CO 2 Eq.

Climate 199
article thumbnail

WMO: Atmospheric Concentrations of Main Greenhouse Gases in 2008 Set New Highs

Green Car Congress

The latest analysis of observations from WMO’s Global Atmosphere Watch (GAW) Programme for 2008 shows that the globally averaged mixing ratios of carbon dioxide (CO 2 ), methane (CH 4 ) and nitrous oxide (N 2 O) reached new highs with CO 2 at 385.2 The globally averaged mixing ratio of carbon dioxide (CO 2 ) in 2008 was 385.2

2008 218
article thumbnail

California ARB greenlights states GHG cap-and-trade program

Green Car Congress

The “cap”—which declines each year—limits GHG emissions, and uses allowances to control total emissions; one allowance equals one ton of GHGs. The “cap”—which declines each year—limits GHG emissions, and uses allowances to control total emissions; one allowance equals one ton of GHGs.

article thumbnail

UN Review of Recent Climate Research Concludes That Impacts Of Climate Change Coming Faster Than Anticipated

Green Car Congress

This is despite the fact that natural variation will partially offset the warming signal from greenhouse gas emissions. The growth in carbon dioxide emissions from energy and industry has exceeded even the most fossil-fuel intensive scenario developed by the IPCC at the end of the 1990s. Global emissions were growing by 1.1%

article thumbnail

Study associates ozone exposure at birth to increased risk of developing asthma

Green Car Congress

A long-term study of the health of Canadian children has found that exposure to ozone (O 3 ) at birth was associated with an 82% increased risk of developing asthma by age three. An 82% higher risk of developing asthma was associated with each 10 parts per billion, or ppb increase in exposure to ozone at birth. Resources.

Ozone 186