REDD Plus or REDD +
Definition
The extra consideration in reducing greenhouse emissions beyond deforestation and forest degradation (REDD) being given to sustainable forest management and afforestation/reforestation in developing countries.
Source
Carbon Positive. "Glossary", 20 September 2010 http://www.carbonpositive.net/viewarticle.aspx?articleID=44#T
Alternative definition
REDD refers to mechanisms negotiated under the UNFCCC process to reduce emissions from deforestation and forest degradation in developing countries.
Alternative source
UN-REDD Programme, 2015 (http://www.un-redd.org/AboutUN-REDDProgramme/tabid/102613/Default.aspx)