The annual costs of the effects of global warming could go up to $300 billion (US Dollars) fifty years from now if action is not taken to slash green house gas emissions.
Hasara za kila mwaka kutokana na ongezeko la joto duniani linaweza likafikia bilioni mia tatu za dola za kimarekani $300 bilion miaka hamsini kuanzia sasa iwapo hatua thabiti hazitachukuliwa kudhibiti kuenea kwa hewa chafu aina ya nyumba ya kijani (Greenhouse Gas).