Nature World: Reducing the amount of short-lived, climate-warming emissions such as soot and methane may be as effective in limiting global warming as previously thought, a new analysis led by the Department of Energy's Pacific Northwest National Laboratory (PNNL) suggests.
Soot, also known as black carbon, is largely given off by vehicles and wood stoves while methane, a component of natural gas, is released from a wide range of sources, including coal mines, oil wells, cattle, rice paddies and landfills....