Although hydroelectric dams generate electricity without directly producing greenhouse gases,they ________.
A)contribute only about 5% of global electricity production
B)produce as much other air pollutants as coal-fired power plants
C)are short-lived structures that have to be rebuilt about every 20 years
D)eliminate wildlife habitats and affect the temperature of waterways

Question

Quizplus · Accepted Answer

Hydroelectric dams have significant negative impacts on the environment, including elimination of wildlife habitats and altering the temperature and flow of waterways. These impacts can have long-term effects on ecosystems and biodiversity. While hydroelectric power is a renewable energy source, it is important to consider the environmental costs and benefits when evaluating its overall sustainability.

Although Hydroelectric Dams Generate Electricity Without Directly Producing Greenhouse Gases,they