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Renewable energy is having another stellar year. Solar is now the fastest growing source of renewable energy after a decade of record growth, according to the Solar Energy Industries Association. Wind and solar continue to flourish, and nascent technologies such as offshore wind and algae-based biofuel are also gaining momentum.
The International Energy Agency recently announced two exciting goals for clean energy: by 2020, 26 percent of the world’s energy will be generated by renewable sources and renewables will overtake coal as the world's largest power source in the 2030s.
While many countries continue to drag their feet on reducing emissions, individual cities are taking the lead and setting ambitious renewable energy targets. Some have already made the transition to 100 percent renewable energy.
Here are the four U.S. cities that have gone 100 percent renewable:
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Cutting out coal-burning and other sources of nitrogen oxides (NOx) from heavy industry, electricity production and traffic will reduce the size of the world's dead zones along coasts where all fish life is vanishing because of a lack of oxygen.
Methane levels in the atmosphere experienced a dramatic rise in 2019, preliminary data released Sunday shows.
In some states like West Virginia, coal mines have been classified as essential services and are staying open during the COVID-19 pandemic, even though the close quarters miners work in and the known risks to respiratory health put miners in harm's way during the spread of the coronavirus.
Renewable energy made up almost three quarters of all new energy capacity added in 2019, data released Monday by the International Renewable Energy Agency (IRENA) shows.