Illustration: Sarah Grillo/Axios

A recently formed bipartisan Senate group that's working on climate change is adding new members.

Driving the news: The Climate Solutions Caucus said yesterday that Republicans Marco Rubio and Susan Collins are joining, and so are Democrats Debbie Stabenow and Tammy Baldwin.

  • The Washington Examiner reports that Ohio Republican Rob Portman plans to join, too.

Catch up fast: Delaware Democrat Chris Coons and Indiana Republican Mike Braun formed the group late last year.

  • Other members are Democrats Jeanne Shaheen and Michael Bennet, Republicans Mitt Romney and Lindsey Graham, and Angus King, an independent who caucuses with Democrats.

Why it matters: It's the latest sign of more Republicans becoming interested in climate at some level.

Reality check: Informal caucuses don't typically have much influence on Capitol Hill, and it remains to be seen whether this one can help move legislation going forward.

Go deeper: Bipartisan House duo explore "clean energy standard"

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Boeing research shows disinfectants kill coronavirus on airplanes

Electrostatic spraying of disinfectant. (Photo courtesy of Delta Air Lines)

Boeing and researchers at the University of Arizona say their experiment with a live virus on an unoccupied airplane proves that the cleaning methods currently used by airlines are effective in destroying the virus that causes COVID-19.

Why it matters: Deep cleaning aircraft between flights is one of many tactics the airline industry is using to try to restore public confidence in flying during the pandemic. The researchers say their study proves there is virtually no risk of transmission from touching objects including armrests, tray tables, overhead bins or lavatory handles on a plane.

Updated 2 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Politics: Senate Democrats block vote on McConnell's targeted COVID relief bill McConnell urges White House not to strike stimulus deal before election.
  2. Economy: Why the stimulus delay isn't a crisis (yet).
  3. Health: Studies show drop in COVID death rate — The next wave is gaining steam — The overwhelming aftershocks of the pandemic.
  4. Education: Schools haven't become hotspots — San Francisco public schools likely won't reopen before the end of the year.

Senate Democrats block vote on McConnell's targeted COVID relief bill

Photo: Stefani Reynolds/Getty Images

Senate Democrats on Wednesday blocked a vote on Republicans' $500 billion targeted COVID-19 relief bill, a far less comprehensive package than the $1.8 trillion+ deal currently being negotiated between the Trump administration and House Democrats.

Why it matters: There's little appetite in the Senate for a stimulus bill with a price tag as large as what President Trump and House Speaker Nancy Pelosi have been calling for. Senate Majority Leader Mitch McConnell's (R-Ky.) "skinny" proposal was mostly seen as a political maneuver, as it had little chance of making it out of the Senate.