With a carbon tax, laws or regulations are enacted that establish a fee per ton of carbon emissions from a sector or the whole economy. (ucsusa.org)
A key opportunity in tropical regions is the reduction of carbon emissions from deforestation and degradation. (science.sciencemag.org)
The number one source of carbon emissions as a result of human activity is transport that is based on fossil fuels: cars, trucks, trains and airplanes. (slideplayer.com)