European Parliament Calls for Fast Action to Cut Black Carbon Soot & Other Non-CO2 Climate Forcers

The European Parliament is calling for fast action to reduce non-CO2 climate forcers including black carbon soot, hydrofluorocarbons (HFCs), methane, and ground-level ozone, which together are responsible for 50% of atmospheric conditions causing climate change.

The Resolution was passed by the Parliament by an overwhelming majority: 578 to 51 with 22 abstentions.

The Resolution calls for a comprehensive climate policy and "stresses that in addition to considering CO2 emission reductions, it should place emphasis on strategies that can produce the fastest climate response," specifically strategies to cut black carbon soot, HFCs, methane, and ground-level ozone.

Because these climate forcers are short-lived – they stay in the atmosphere for just days – reducing them produces a fast climate response. In contrast, long-lived CO2 remains in the atmosphere for thousands of years. Even cutting CO2 emissions to zero today would not produce cooling for a thousand years.

"Cutting just two of the short-lived climate forcers – black carbon soot and ground-level ozone – can cut the rate of global warming in half and by two-thirds in the Arctic for the next 30- 60 years, assuming we also make progress on CO2," says Durwood Zaelke, President of the Institute for Governance and Sustainable Development.

Zaelke testified before the Parliament in March 2011 (see written testimony here, and video here). He adds, "Cutting the short-lived forcers is not a substitute for cutting CO2, which controls long-term climate temperature. But if we don’t cut the non-CO2 forcers now and slow the rate of warming in the next few decades, we risk passing tipping points for abrupt and catastrophic climate impact."

The risk of passing tipping points includes the loss of Arctic sea ice, which currently acts as a defensive shield reflecting heat back into space, the disintegration of the Greenland ice sheet and the world’s other glaciers, as well as the die off of the Amazon and other forests.

Climate impacts are already evident in the increasingly frequent, extreme weather events the world is experiencing. This year, there have been historic floods, torndoes, droughts and hurricanes around the world including the Horn of Africa where millions face starvation.

Emissions of black carbon and other short-lived climate forcers can be reduced quickly using existing technologies and existing laws, according to a recent assessment by the U.N. Environment Programme and World Meteorological Organization.

The EU Resolution follows the first-ever ministerial meeting on short-lived climate forcers held September 12 in Mexico City, hosted by Mexico, Sweden, the US and the United Nations Environment Programme. A follow-up technical meeting will be hosted by Bangladesh in October, with further ministerial meetings likely in the future.

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