Climate activists are planning to “block key infrastructure” and bring DC to a “gridlocked standstill” on Monday morning.

Their Shut Down DC effort will be taking place at the same time as the United Nations Climate Action Summit in New York. Protesters have called for “a climate strike and global week of action from September 20th-27th.”

The activist groups are encouraging kids to skip school and join them.

“We will block key infrastructure to stop business-as-usual, bringing the whole city to a gridlocked standstill,” the event page for the protest reads. “Parents, workers, college students, and everyone who is concerned about the climate crisis will skip work and school and put off their other responsibilities to take action on the climate crisis.”

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Black Lives Matter will also be helping to block traffic and are urging their supporters to meet at Folger Park at 6:30 a.m. The group Rising Tide, an organization fighting climate change, is asking their supporters to meet them at Hancock Park/L’Enfant Metro Station at the same time.

Members of Antifa who are helping to organize the disruption held several workshops for “direct action training” in the weeks leading up to the event.

“We’ll cover the basics of working together in a small group (affinity groups), moving in the streets together, how to plug in with the action framework, your legal rights and what to do if you’re arrested, and staying healthy and safe in the streets!” the page about the workshops stated. “If you’re planning on joining us on the streets on September 23rd, we’d strongly encourage you to make sure that you and the folks you’re planning on hitting the streets with participate in a training. Also, if you haven’t joined an affinity group yet we’ll have some very specific ways to get you plugged in to make a big impact during #ShutDownDC!”