0 to cause to be less -- réduire
1 to make less, smaller etc -- réduire
3 to drive, or put, into a particular (bad) state -- réduire (en/à)
The entire transport policy needs to be revised in order to curb, or even reduce, air transport and related noise pollution.
That can be used to help promote economic activities or reduce taxation which will also help to stimulate the economy.
Saying that demand 'must' be diversified and reduced is not enough.
They have to reduce the activity, in any case.
On the one hand our maxim is to economize and reduce budget expenditure.
These actions should help to reduce the volume of international road freight, and thus respond to the strong expectations of our citizens.