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Li-Cycle uses a two-step process to recover more than 80% of the materials in old lithium ion batteries. Michael Movchin / Wikimedia Commons / CC by 3.0

As electric vehicles become more mainstream, the demand for lithium ion car batteries is growing. But to increase production, the industry needs more lithium, cobalt, and nickel.

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A new battery will help the UK store power generated by the Walney offshore wind farm, the world's largest of its kind. Ashley Cooper / The Image Bank / Getty Images

Construction is starting on what will be the world's largest liquid air battery, The Guardian reported Thursday.

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EcoWatch Daily Newsletter

Excitement over a new solar installation. Black Rock Solar / CC BY 2.0

By Lacey Shaver

When a city decides to transition from fossil fuels to clean energy, headlines follow. But the work has only just begun. Cities have many options for generating and purchasing renewable electricity, each of which comes with distinct benefits and challenges.

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Kauai Island Utility Cooperative /YouTube screenshot

Hawaii has a new, game-changing tool in its renewable energy arsenal. Power producer AES Corporation and the not-for-profit Kaua'i island Utility Cooperative (KIUC) unveiled what's claimed to be the world's largest solar-plus-storage peaker on the island of Kauai on Tuesday, the Lāwa'i Solar and Energy Storage Project.

This is a significant step to help the Aloha State reach its 100 percent renewable energy goal by 2045, one of the most aggressive decarbonization targets in the nation.

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Terry Whittaker / WWF

This year's Living Planet Report shows that populations of animals—including mammals, birds, fish, reptiles and amphibians—plummeted by 60 percent between 1970 and 2014. But those living in freshwater are experiencing a far more drastic decline: 83% since 1970. It's a sobering statistic and one tied directly to the ever-increasing pressures that people are putting on natural habitats.

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Miami is investing hundreds of millions of dollars to raise roads in response to rising sea levels. Matthew Hurst / CC BY-SA 2.0

By Mikhail Chester, Braden Allenby and Samuel Markolf

The most recent international report on climate change paints a picture of disruption to society unless there are drastic and rapid cuts in greenhouse gas emissions.

Although it's early days, some cities and municipalities are starting to recognize that past conditions can no longer serve as reasonable proxies for the future.

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A foldable, biodegradable battery based on paper and bacteria. Seokheun Choi / Binghamton University, CC BY-ND

By Seokheun Choi

It seems like every few months there's a new cellphone, laptop or tablet that is so exciting people line up around the block to get their hands on it. While the perpetual introduction of new, slightly more advanced electronics has made businesses like Apple hugely successful, the short shelf life of these electronics is bad for the environment.

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Solar shade canopies. University of Hawaii

As a growing number of U.S. cities make pledges towards 100 percent renewables, it's easy to forget that the entire state of Hawaii set this important benchmark three years ago when it mandated that all of its electricity must come from renewable sources no later than 2045.

To help the Aloha State meet this ambitious commitment, in 2015, the University of Hawaii (UH) and the Hawaiian Legislature set a collective goal for the university system to be "net-zero" by Jan. 1, 2035, which means the total amount of energy consumed is equal to the amount of renewable energy created.

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Tesla's Gigafactory 1 photographed in January 2017

Tesla has started building a massive rooftop solar array on top of its Gigafactory 1 (GF1) outside Sparks, Nevada.

Once finished, the 70-megawatt system will be the largest in the world by far; the current record-holder is the comparatively shrimpy 11.5-megawatt array in India that can power 8,000 homes.

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Jharia coal mine. Wikimedia Commons

Even the world's largest coal miner thinks the rise of renewable energy and storage technology will pose a "significant threat" to the coal sector.

Coal India, the state-owned mining company that produces 80 percent of the country's coal, has released a new report, "Coal Vision 2030," that outlines what the industry might look like in 2030.

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Shealah Craighead / White House / Public Domain

Did you make it through Donald Trump's State of the Union address? If you did, congratulations on your endurance. Not everyone can handle sitting through more than an hour of lies, deceit and distortions. Then again, we've all been surviving and fighting through the past 12 months of this administration. Resistance takes stamina, and it's clear that it's made us stronger.

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