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Pallava Bagla / Corbis Historica / Getty Images

Renewable energy installations like wind turbines or solar panels can be an important part of fighting climate change by providing energy that does not require the burning of fossil fuels.

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The Walney Extension. Ørsted UK

The world's largest offshore wind farm opened in the Irish Sea on Thursday, covering an area of 145 square kilometers (55 square miles).

The 659-megawatt Walney Extension, located approximately 19 kilometers (12 miles) off the coast of Cumbria, England, consists of 87 turbines and is capable of generating enough renewable energy to power almost 600,000 UK homes.

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Wind power in rural Iowa, one of four states that gets 30 to 37 percent of its electricity from wind power. Voice of America

Four U.S. states generated 30 to 37 percent of their energy from wind power in 2017. That's just one of the findings of the Department of Energy (DOE)'s annual Wind Technologies Market Report, released August 22.

Oklahoma, Iowa, Kansas and South Dakota were the leaders in terms of how much wind contributed to their state's overall electricity generation, but 14 states got more than 10 percent of their in-state energy from wind power last year. Texas took the lead in added wind capacity, installing 2,305 megawatts worth.

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Looking towards Livadia harbour on the Greek island of Tilos. Getty Images

The Greek island of Tilos is set to be the first in the Mediterranean to power itself entirely with wind and solar power, The Associated Press reported Sunday.

The final tests of a new system that will allow the island to power itself with batteries recharged by a solar park and 800-kilowatt wind turbine are taking place this summer, and the system is expected to go live later this year.

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Offshore wind turbines at Barrow Offshore Wind Farm in the Irish Sea. Andy Dingley

Renewable energy is truly getting cheaper every day. The 800-megawatt wind farm Vineyard Wind project, the first large-scale offshore wind farm in the U.S., has offered a total levelized price of $65 per megawatt-hour (MWh)—a record low.

The planned wind farm, located 15 mies south of Martha's Vineyard, will be jointly developed by Avangrid Inc. and Copenhagen Infrastructure Partners. Their contract was filed Wednesday with the Massachusetts Department of Public Utilities.

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Denver will get 100 percent of its energy from renewable sources by 2030. Robert Kash / Flickr / CC BY 2.0

Denver became the 73rd city in the U.S. to commit to 100 percent renewable energy when Mayor Michael Hancock announced the goal in his State of the City speech Monday, The Denver Post reported.

The commitment is part of the city's larger 80×50 Climate Action Plan unveiled by Hancock Tuesday, which seeks to reduce Denver's greenhouse gas emissions 80 percent from 2005 levels by the year 2050.

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