EPA
Environmental Protection Agency

NGO
Non-Governmental Organization

UNEP
United Nations Environment Programme

IPCC
Intergovernmental Panel on Climate Change

CO2
Carbon Dioxide

GHG
Greenhouse Gases

NOx
Nitrogen Oxides

SOx
Sulfur Oxides

NIMBY
Not In My Back Yard

LEED
Leadership in Energy and Environmental Design

CFC
Chlorofluorocarbon

Ozone
O3 (Ozone molecule)

R&D
Research and Development

Sustainable Development Goals (SDGs)
Often referred to as SDGs.

REDD+
Reducing Emissions from Deforestation and Forest Degradation