Abstract
Deforestation represents one of the most significant environmental challenges of the 21st century, contributing substantially to global climate change through the release of stored carbon and the reduction of atmospheric carbon dioxide absorption capacity. Tropical rainforests, particularly those in the Amazon and Congo basins, serve as critical carbon sinks and regulators of global weather patterns. This comparative analysis examines the differential impacts of deforestation in these two major tropical forest systems on climate change indicators including carbon emissions, temperature regulation, precipitation patterns, and biodiversity loss. The Amazon basin has experienced approximately 17\% forest loss since 1970, while the Congo basin has lost roughly 12\% of its forest cover during the same period. Through analysis of satellite data, carbon flux measurements, and climate modeling, this study reveals that Amazon deforestation contributes an estimated 1.1 billion tons of carbon dioxide equivalent annually, compared to 0.6 billion tons from Congo basin deforestation. However, the Congo basin shows accelerating deforestation rates, with annual forest loss increasing by 84\% between 2000 and 2020. Both regions demonstrate significant impacts on regional and global climate systems, with Amazon deforestation affecting precipitation patterns across South America and Congo basin deforestation influencing rainfall distribution throughout central Africa. The findings underscore the urgent need for comprehensive conservation strategies tailored to the specific ecological and socioeconomic contexts of each region to mitigate climate change impacts.