World leaders from almost 200 countries will meet in Copenhagen, the capital of Denmark, to produce an agreement on preventing climate change in December.<br /><br />However, a new report published in the United Kingdom is urging leaders to rethink how they plan to tackle global warming.<br /><br />The organisation known as International Alert says the world must also address the social impact of climate change if there is to be real progress.<br /><br />Al Jazeera's Lauren Peterson reports.