
Atmospheric concentrations of CO₂e are rising due to increasing anthropogenic emissions. Unchecked, rising concentrations of CO₂e in the atmosphere will lead to catastrophic climate change.

Public electricity and heating in Annex I countries accounted for over 6.68 billion tons of CO₂e emissions annually in 2007.

Transport is responsible for approximately 20% of global anthropogenic emissions, or more than 4.63 billion tons of CO₂e annually. Source: UNFCCC, 2009.

Buildings are responsible for an estimated 1.45 billion tons of CO₂e in Annex I nations and over 20% of global anthropogenic emissions annually. Source: UNFCCC, 2009.

Annex I industry emissions are over 1.3 billion tons of CO₂e annually. Global industry emissions account for approximately 24% of annual anthropogenic emissions. Source: UNFCCC, 2009.

Emisisons from agriculture in Annex I countries totaled more than 1.43 billion in 2007 CO₂e emissions.

The EIA estimates that 2006 energy-related emissions from non-OECD countries accounted for approximately 30%, of global anthropogenic CO₂e emissions, or 15.4 billion tons. Source: EIA, 2009.

Biochar could potentially remove over 1 billion tons of CO₂e annually. In general, carbon management solutions could remove billions of tons of CO₂e from the atmosphere annually.
HFCs are potent GHG chemicals that are used in refridgerators, air conditioning, and fire extinguishers.
Phasing out HFCs could deliver a cumulative reduction estimated to be in the range of 118 to 224 billion tons of CO2e between 2010 and 2050.
GHG chemicals are many times more potent than carbon dioxide in terms of greenhouse warming potential. Emissions from GHG chemicals are estimated to be in the range of 3.5 to 3 billion tons of CO2 equivalents.
ODS and HFC chemicals are more potent than CO2 with respect to global warming potential. These chemical are widely used and emissions are projected to rise significantly as populations grow and economies develop.