The kyoto protocol works by a. mandatory involvement b. voluntary involvement c. imposing trade restrictions on nonparticipating countries d. offering monetary rewards to participating countries

The correct answer is B.

The Kyoto protocol is a voluntary involvement that commits state parties to reduce greenhouse gas emissions.

The Kyoto protocol was adapted in Kyoto, Japan, on December 11, 1997 and there are currently 192 states participating in this treaty.

Industrialized countries committed to reduce GHG emissions and the countries must meet their targets primarily through national measures.

The main purpose of the protocol is to reduce the onset of global warming all over the world.