The impermeabilization of the soil by concrete and asphalt, resulting from the urbanization process, has caused the loss of natural vegetation. These modifications have contributed to the increase in the emission of greenhouse gases (GHGs), in particular carbon dioxide (CO2). Although it is still portrayed today, it is not new that the global concern about climate change has gained prominence on the international political agenda, as an example, the United Nations Conference on the Environment and Development (Rio 92), Kyoto Protocol (1997) and more recently, the Paris Agreement (2015). All of these having as main objectives, the achievement of sustainable development and the reduction of global warming. Given this, green roofs stand out as a promising alternative for cities, given that they have many environmental, ecological and economic advantages, such as, for example, in the reduction of rainwater runoff, mitigation of urban heat island phenomena, creating spaces for the creation of food in urban areas, providing a natural habitat for animals and plants, in addition to reducing atmospheric carbon dioxide, through carbon sequestration. Although the topic "carbon sequestration" is studied all over the world, little is known about carbon sequestration in green roofs. Therefore, this article brings a critical and current bibliographic review on this subject.
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