Credit Check: A Comparative Evaluation of Tree-Planting and Fossil-Fuel Emission Reduction Offsets: a David Suzuki Foundation Technical Paper cover

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This report compares the effectiveness of two of the most common types of carbon offsets used in the voluntary carbon market. Both types of offsets claim to reduce the net amount of greenhouse gases entering the atmosphere but there are fundamental differences between them. Specifically, this report examines whether a tonne of carbon sequestered and stored in plant biomass can be treated as equivalent to a tonne of carbon that remains locked up underground in the form of fossil fuels (i.e., as oil, natural gas, or coal deposits). It is important for consumers to understand the implications of these differences in order to make informed decisions when purchasing carbon credits.