Cornucopiansandecologistshavedebatedthehypothesesofglobalwarmingasaresultoftheemissionofgreenhousegasesforseveraldecades,focusingupondifferentinterpretationsofrisk:resilienceagainstprecaution.One can now employ recently available data on GDP, energyconsumption,emissionsandglobalaveragetemperaturetodecide between these two positions. The cornucopian positionis wrong, the evidence strongly indicates.