We need to get serious about both a rapid decline in emissions and restoring our ecosystems to absorb more CO2 from the atmosphere. (treehugger.com)
While declines in emissions have previously occurred during periods of economic crisis, this would be the first decline during a period of strong global economic growth. (iiasa.ac.at)
It can be achieved only by means of a radical decline in the emissions intensity. (klaus.cz)