How the return of local wildlife in Namibia had improved the quality of the lives of the humans in the said area is through the increase of Tourism, which brought jobs for the locals. Mostly, these jobs are related to boosting the tourism and by taking care and promoting their area. The answer would be the last statement.
Co2 gas increases the temperature of the earth's atmosphere and can this lead to global warming. It can lead to melting of glaciers causing sea level to rise thus submerging islands.
