The state s historic shift away from fossil fuels such as natural gas which provide consistent power toward cleaner sources such as solar and wind energy which rise and fall with.
Clean energy sources problems.
But progress isn t easy.
It s clean because it has little or no waste products like carbon dioxide other greenhouse gases or chemical pollutants.
Fossil fuels coal oil and natural gas do substantially more harm than renewable energy sources by most measures including air and water pollution damage to public health wildlife and habitat loss water use land use and global warming emissions.
Alternative or renewable energy sources show significant promise in helping to reduce the number of toxins that are by products of energy use and help preserve many of the natural resources that we currently use as sources of energy.
California blackouts expose problems in state s transition to clean energy.
The problem is the cost of building such a grid says janusz bialek director of the centre for energy systems at skoltech institute of science and technology.
Clean energy includes renewable energy energy efficiency and combined heat and power.
If we do nothing to clean it up we condemn ourselves to facing the worst consequences of climate change.
All energy sources have some impact on our environment.
There are many reasons the world is looking for alternative energy sources in an effort to reduce pollutants and greenhouse gases.
Here are our main sources of renewable energy.
They are not completely problem free but they produce much less pollution and fewer greenhouse gases and by definition will not run out.
The problem with renewable energy.
The power sector is a leading source of cancer causing air pollution and the nation s second largest source of carbon dioxide.
Entrenched special interests are fighting against renewable energy.
Renewable energy resources offer cleaner alternatives to fossil fuels.
Learn about clean energy the impact of energy on the environment and u s.