their products contain lead, a potent neurotoxin

contain cadmium, a known carcinogen.

nitrogen triflouride, a potent greenhouse gas

One of the main disadvantages is the initial cost of the equipment used to harness the suns energy

A solar energy installation requires a large area for the system to be efficient in providing a source of electricity

pollution can degrade the efficiency of photovoltaic cells. Clouds also provide the same effect, as they can reduce the energy of the suns rays

Wind turbines are responsible for the deaths of between 10,000 and 40,000 birds each year, according to the American Bird Conservancy.

the Altamont Pass site kills the largest number of birds - about 4,700 each year

The American Wind Energy Association contends wind turbines are far less lethal to birds than other man-made structures, such as windows (responsible for more than 100 million deaths each year in the U.S.) and power lines (between 130 million and 174 million), or than cats, which remain the number one bird killer.

The NOISE and the strobe-like light effect that blades generate while they spin in daylight make a lot of people sick.

increase depression and may cause a serious health risk for people suffering from anxiety and epileptic seizures.

It is popular because it is abundant and provides many communities with a clean, local source of electricity

wind power could account for 20 percent of the nation’s electricity supply by 2030

two main problems. First, the wind does not blow all the time, so there must be backup power plants

goal for the State to meet 45 percent of its electricity needs through improved energy efficiency and renewable sources by the year 2015

renewable resource that could provide a significant amount of clean energy to consumers