Start your Monday smart: Coronavirus, G7, Stimulus deal

(CNN)Today is World Water Day, an annual UN observance that calls attention to our most precious and overlooked resource. Take a minute to see what you can do to be water friendly, today and every day. Here's what else you need to know to Start Your Week Smart. (You can also get "5 Things You Need to Know Today" delivered to your inbox daily.

You give us five minutes, and we give you five things you must know for your weekday, plus a Sunday edition to get your week started smart. Sign up here. ) Monday More coronavirus closures Events, political milestones, diplomatic gatherings and everyday routines are continuing to shift under the ever-changing threat of the coronavirus. Nationwide school closures go into effect in Russia on Monday, as well as statewide in Colorado and Nebraska.

Florida's Clearwater Beach is also closing on Monday, so don't expect many more controversial spring breakers. The Affordable Care Act turns 10 Monday also marks the 10th anniversary of the Affordable Care Act being signed into law. The Supreme Court is expected to decide the future of the much-debated Obama-era legislation sometime next term. But it's never too early for political posturing on the subject, especially in an election year.

Tuesday G7 goes online The week's G7 ministerial was supposed to begin in Pittsburgh on Tuesday, but the United States has decided to host the meeting online instead as a coronavirus precaution. The US is the diplomatic body's leader this year, so they get to make the scheduling call. Cruise ship passengers go home Passengers from the beleaguered Grand Princess cruise ship who have been quarantined on three US military bases will be released on Tuesday and Wednesday. The passengers have been held at Travis AFB in Fairfield, California, at Miramar AFB in San Diego, California and at Lackland AFB in San Antonio since March 10.

Thursday Space Force equipment blasts off The United Launch Alliance is scheduled to launch a rocket carrying a critical military communications satellite for the US Space Force on Thursday. If it goes on as planned, you can watch the webcast from Cape Canaveral, Florida here. Saturday Turn down for Earth On Saturday, people around the world will switch off their lights for 60 minutes at 8:30 p. m.