Ganges Basin (112,490 km²), West Bengal (71,485 km²), Haryana (34,341 km²), Himachal Pradesh (4,317 km²) , Delhi, Arunachal pradesh(1,484 km²), the whole of Bangladesh, Nepal and Bhutan. Several tributaries rise inside Tibet before flowing south through Nepal. The basin has a population of more than 500 million, making it the most populated river basin in the world. The basin comprises semi-arid valleys in the rain shadow north of the Himalaya, densely forested mountains south of the highest ranges, the scrubby Shiwalik foothills and the fertile Gangetic Plains. Central highlands south of the Gangetic Plain have plateaus, hills and mountains intersected by valleys
Coosa river basin initiative Coosa river basin initiative Coosa River Basin Initiative(CRBI) is a 501c3 grassroots environmental organization based in Rome, Georgia with the mission of informing and empowering citizens to protect, preserve and restore North America's most biologically diverse river basin, the Coosa. Since 1992, the staff, board and members have served as advocates for "the wise stewardship of the natural resources of the Upper Coosa River basin, or watershed, which stretches from southeastern Tennessee and north central Georgia to Weiss Dam in Northeast Alabama. This includes the Coosa River, the Etowah and Oostanaula rivers and the tributaries of these waterways as well