Perhaps most important of all, there is general agreement that in addition to changing climate, there would likely be increased variability in weather, which might mean more frequent extreme events such as heat waves, droughts, and floods.
(that in addition to changing climate, there would likely be increased variability in weather; might mean; more frequent extreme events such as heat waves, droughts, and floods)
that in addition to changing climate, there would likely be increased variability in weather
might mean
more frequent extreme events such as heat waves, droughts, and floods