PEM Forest Carbon Offset Summary October 20, 2023

Poster Presentation, MIT Energy Night, 10/20/2023, https://mitenergynight.org/

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PEM Publication March 2022

The Trouble with Carbon Protocols Explained (CARB, CAR, VERRA, ACR, CDM)

Fig. 3. CARB-CAR (orange), ACR (grey) and CDM (green) histograms in gC m⁻² y⁻¹ are shown with A) Annual FLUXNET2015 NEE (blue), and C) Annual Reco (red), and GPP (purple). Only values between −1500 and 1500 gC m⁻² y⁻¹ are shown, with a bin size of 30 gC m⁻² y⁻¹. All VERRA (yellow) histograms with B) Daily FluxNet2015 NEE (blue), and D) Daily Reco (red), GPP (purple), for carbon sequestration values between −5 and 5 gC m⁻² d⁻¹. The bin size is 0.0025 gC m⁻² d⁻¹. Front panel histograms are slightly transparent to allow the visualization of the overlapping values from the histograms plotted on the background. Each panel histogram order, from back to front, is A) NEE (back), CARB-CAR (middle-back), ACR (middle-front) and CDM (front) B) Daily NEE (back) and VERRA complete (front) C) Reco (back), GPP (middle-back), CARB-CAR (middle), ACR (middle-front), CDM (front) D) Daily Reco (back), Daily GPP (middle), and VERRA complete (front).