From June 17-23, China's Qinghai Province, which has a population of 6 million people, successfully operated on 100 percent renewable energy.
The week was a trial run by the State Grid Corporation of China as part of an effort to prove that we won't need fossil fuels to power things in the future.
The trial occurred during the same time as almost 70 percent of businesses in the country failed to meet environmental standards when it came to air pollution, The New York Times reported.
According to the Qinghai Electric Power Corporation, the amount of electricity used would have required about 589,736 tons of coal. But thanks to hydro, which helped create 72.3 percent of the electricity, the coal wasn't needed.
Qinghai's power grid was already 82.8 percent clean this past May, but the province wants to expand its solar and wind capacity to help power central and eastern China.
"Clean energy is the ultimate way," said Han Ti, vice general manager of Qinghai Electric Power Corporation. "We need to reduce reliance on fossil fuel, improve our energy structure, and reduce carbon emissions."
The country is planning to invest $366 billion in renewable energy, which means clean energy, less pollution, and more than 13 million jobs by 2020.
Qinghai isn't the only region in China trying to go green by 2020. In the Guangxi Province, a "Forest City" is being constructed and is set to open in 2020. Like its name implies, the city, which would hold 30,000 residents, would be self-sufficient and clean thanks to massive amounts of plants and trees being grown that will absorb carbon dioxide and release oxygen.
Here's to hoping for a cleaner future in China.