Sen. Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE (I-Vt.) on Saturday called for a renewed focus on stopping climate change as thousands prepare to join Climate March protests around the country.

Sanders and Stanford University professor Mark Jacobson wrote in an op-ed in The Guardian that the U.S. must "aggressively transition our energy system away from fossil fuels and toward clean, renewable energy solutions."

"Climate change is already causing severe weather events like prolonged droughts, record-high temperatures, and rising sea levels because of melting Arctic sea ice," Sanders and Jacobson wrote.

"And while everyone will be affected by climate change, the people who had least to do with causing the problem will be impacted the most, including low income families and communities of color across America."

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The article was published the morning of the Climate March, which will see thousands march on Washington and other cities across the U.S. to fight for environmentally friendly policies.



The article also touted Sanders proposed 100 percent clean energy bill proposed earlier this week.

Sanders and Sens. Jeff Merkley Jeffrey (Jeff) Alan MerkleyThe Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump, Biden renew push for Latino support Sunday shows - Trump team defends coronavirus response Oregon senator says Trump's blame on 'forest management' for wildfires is 'just a big and devastating lie' MORE (D-Ore.) and Ed Markey Edward (Ed) John MarkeyDemocratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy McConnell says Trump nominee to replace Ginsburg will get Senate vote Massachusetts town clerk resigns after delays to primary vote count MORE (D-Mass.) spoke at the rally with climate activists to announce a bill that would require the United States produce 100 percent of its energy from renewable or clean sources by 2050.

"Not only is this possible and affordable, but it will also create millions of decent-paying, long-term and full-time jobs that our economy desperately needs. It would clean-up our air and water. And it would decrease our dependence on foreign oil and improve national security," the op-ed said.

Jacobson helped found The Solutions Project, a group focused on using more renewable energy.