Explore the dynamic world of carbon-based composites and nanocomposites, where innovation intersects with environmental consciousness. This expansive volume delves into the multifaceted role of carbon composites in combating pollution, from the versatility of activated carbon in adsorbing emerging contaminants to the strategic application of carbon-polymer composites for environmental challenges. Discover the effectiveness of activated carbon in adsorbing emerging contaminants and the strategic use of carbon-polymer composites in addressing environmental challenges. Gain insights into the transformative potential of biochar and the synergistic interplay of carbon and metal nanoparticle composites, carbon nanotubes, and nano-fibers in water purification and sustainable environmental applications.