global warming is something to fight with. curbing global warming will not affect economy. an aggressive anti-global-warming agenda is necessary. not much cost will be involved in conquering global warming.
convince people that global warming is a real threat criticize some countries for refusing to cut down emissions harmful to the ozone layer analyze the problem of global warming argue against making deep cuts in emissions
call on people to prevent global warming. present the results from two research models. appeal to people to take adaptation as priority. forecast the future trends of global warming.