Sentences with phrase «trouble over the last century»

Not exact matches

As a scientist, I have trouble defining a term that has been so carelessly bandied about over the last century and a half.

This is because we have measurements that show the direct solar forcing is much smaller than the forcing due to CO2 and thus it is necessary to invoke a feedback process specific to solar only in order to be able to have any hope of having it dominate (and, even then, you have trouble getting the time - dependence right over the last half century or so).