Sign up for our daily briefing

Make your busy days simpler with the Axios AM and PM newsletters. Catch up on what's new and why it matters in just 5 minutes.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Catch up on the day's biggest business stories

Subscribe to the Axios Closer newsletter for insights into the day’s business news and trends and why they matter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sign up for Axios Pro Rata

Dive into the world of dealmakers across VC, PE and M&A with Axios Pro Rata. Delivered daily to your inbox by Dan Primack and Kia Kokalitcheva.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sports news worthy of your time

Binge on the stats and stories that drive the sports world with the Axios Sports newsletter. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Tech news worthy of your time

Get our smart take on technology from the Valley and D.C. with Axios Login. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Get the inside stories

Get an insider's guide to the new White House with Axios Sneak Peek. Sign up for free.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Catch up on coronavirus stories and special reports, curated by Mike Allen everyday

Catch up on coronavirus stories and special reports, curated by Mike Allen everyday

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Denver news?

Get a daily digest of the most important stories affecting your hometown with Axios Denver

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Des Moines news?

Get a daily digest of the most important stories affecting your hometown with the Axios Des Moines newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Twin Cities news?

Get a daily digest of the most important stories affecting your hometown with Axios Twin Cities

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Tampa Bay news?

Get a daily digest of the most important stories affecting your hometown with the Axios Tampa Bay newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Charlotte news?

Get a daily digest of the most important stories affecting your hometown with Axios Charlotte

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Nashville news?

Get a daily digest of the most important stories affecting your hometown with the Axios Nashville newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Columbus news?

Get a daily digest of the most important stories affecting your hometown with the Axios Columbus newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Dallas news?

Get a daily digest of the most important stories affecting your hometown with the Axios Dallas newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Austin news?

Get a daily digest of the most important stories affecting your hometown with the Axios Austin newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Atlanta news?

Get a daily digest of the most important stories affecting your hometown with the Axios Atlanta newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Philadelphia news?

Get a daily digest of the most important stories affecting your hometown with the Axios Philadelphia newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top Chicago news?

Get a daily digest of the most important stories affecting your hometown with the Axios Chicago newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Sign up for Axios NW Arkansas

Stay up-to-date on the most important and interesting stories affecting NW Arkansas, authored by local reporters

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Want a daily digest of the top DC news?

Get a daily digest of the most important stories affecting your hometown with the Axios DC newsletter.

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

Please enter a valid email.

Please enter a valid email.

Subscription failed
Thank you for subscribing!

A sorting center in France. Photo: Loic Venance/AFP/Getty Images

Plastics are intertwined with our lives today — driving researchers to create plant-based versions and more efficient ways to recycle.

The big picture: From a science perspective, the biggest challenge is consumers and companies want materials that won’t degrade quickly while being used but will degrade quickly once disposed, says Andrew Dove, a professor of chemistry at the University of Birmingham in the U.K. “The world wants it both ways.”

"It's an incredible material," says Marc Hillmyer, who directs the Center for Sustainable Polymers at the University of Minnesota, and points to plastics use in transporting food and water, and protecting solar cells and windmill blades that anchor the renewable energy economy.

  • "We need them, but not for everything," he says.

How it works: Plastics are recycled or burned as a source of energy, but by one estimate, 79% of plastic waste has ended up in landfills or the environment.

  • Plastics can be mixed with pigments, other materials and other plastics, which complicate recycling and limit how the chemical components of plastic can be reused.

The push for "green plastics" made from sustainable materials gave us, for example, cups made from corn-based plastic (polylactic acid) and compostable chip bags that degrade under certain circumstances.

  • Researchers are trying to develop new materials that could replace common plastics — from that foam in flower arrangements to straws.
  • The challenge is finding a sweet spot between making a plastic easier to break down and the need for durability and other desired characteristics.

Replacing petroleum-based plastics is still important in the long term, says Dove, but as it accumulates in landfills, researchers are increasingly focusing on new ways to make and recycle today's materials.

  • Lawrence Berkeley National Laboratory researchers recently reported a new way to create a plastic commonly found in epoxies and polyurethane.
  • They were then able to break it down to its chemical building blocks, even when the plastics were colored or with other materials, and turn them back into plastic.
  • Yes, but: The process requires large amounts of water and hasn't been demonstrated to work on an industrial scale.

Scientists are also experimenting with degrading plastics using:

  • Chemical recycling: Different acids and bases can be used to break down plastics. Researchers hope to develop chemicals that can selectively degrade a single type of plastic in a stream of mixed plastic waste.
  • Enzymes: They have the advantage of being specific to a type of plastic but the disadvantage of working slowly compared to chemical recycling.

The bottom line: It's going to take a combination of new materials and improved recycling methods to minimize the impacts of our plastics dependency. "There's not going to be a panacea," says Hillmyer.

Go deeper: Scientists grapple with the world's plastic problem

Go deeper

60 mins ago - World

U.S. and NATO answer Putin in writing while bracing for Ukraine invasion

NATO Secretary-General Jens Stoltenberg. Photo: Dursun Aydemir/Anadolu Agency via Getty

The U.S. and NATO provided Russia with written proposals on Wednesday to advance a "diplomatic path forward," even as they warned that Russia could invade Ukraine within days.

Why it matters: This is a delicate diplomatic balancing act. The U.S. and NATO want to show they're serious about diplomacy but unwilling to compromise on "core principles" — all without providing Vladimir Putin with an additional pretext for escalation.

The political leanings of the Supreme Court justices

Data: Martin-Quinn scores; Chart: Axios Visuals

The Supreme Court will continue to have a solid conservative majority even with Justice Stephen Breyer's retirement.

How to read the chart: An analysis by political scientists Andrew Martin and Kevin Quinn, known as the Martin-Quinn Score, places judges on an ideological spectrum. A lower score indicates a more liberal justice, whereas a higher score indicates a more conservative justice.

The front-runners for Biden's Supreme Court pick

Judge Kentaji Brown Jackson (left) and Justice Leondra Kruger (right) Tom Williams-Pool/Getty Images and Lonnie Tague, US Department of Justice

Two highly accomplished Black female judges — Ketanji Brown Jackson, a judge on the D.C. Circuit Court of Appeals; and Leondra Kruger, a justice on the California Supreme Court — are seen as the early front-runners to replace retiring Supreme Court Justice Stephen Breyer.

The big picture: Jackson is a powerful federal judge with a record that progressives feel they can trust. Kruger was a highly regarded litigator and has carved out a reputation for working well with conservative judges.