Green Car Congress

JUNE 15, 2011

Global benefits from full implementation of the identified measures in 2030 compared to the reference scenario. Fast action on pollutants such as black carbon, ground-level ozone and methane may help limit near term global temperature rise and significantly increase the chances of keeping temperature rise below 2 °C (3.6 °F)—and

Ozone 218

Ozone Carbon Climate Change Global 218

Green Car Congress

JANUARY 13, 2012

National benefits of the CH 4 plus BC measures versus the reference scenario. Methane is both a potent greenhouse gas and an important precursor to ground-level ozone. Ozone, a key component of smog and also a greenhouse gas, damages crops and human health. Source: Shindell et al. Click to enlarge. —Shindell et al.

Carbon 257

Carbon Ozone Emissions International 257

Green Car Congress

SEPTEMBER 25, 2009

There is also growing concern among some scientists that thresholds or tipping points may now be reached in a matter of years or a few decades including significant changes to the Indian sub-continent’s monsoon, the Sahara and West Africa monsoons, and climate systems affecting a critical ecosystem like the Amazon rainforest.

Climate Change 259

Climate Change Climate 2007 Ozone 259