Anchor: These effects are left unquantified for a variety of reasons, but mostly because of the complexity of modeling these effects and the major uncertainties in reliably quantifying the incremental effects of atmospheric emissions reductions on ecological endpoints.
Entailed: The effects have not been quantified.
Contradiction: It is easy to quantify the effects of the emissions.
Contradiction: A baby is looking at ducks.
Contradiction: Bond is an experienced fund raiser. 
Contradiction: Boy building log cabin with his father.
Contradiction: The boy is outside.